effective/effectual/efficient.导航词义：有效的

1. effective:adj. 有效的，起作用的.指有效用的或能产生预期效果的。

The government took effective measures to reduce the price.

政府采取了有效措施来降低物价。

The talks between both sides were effective in settling their disputes.

双方会谈有效地解决了彼此间的纠纷。

2. effectual:adj. 有效果的，有实效的.指产生希望或想要的结果的，只用于事物，如举措、药物、对策等。

The government hasn't worked out the effectual measures to combat unemployment.

政府尚未找到应对失业的有效措施。

Quinine is an effectual preventive for malaria.

奎宁是预防疟疾的有效药物。

3. efficient:adj. 有效率的，高效能的.既可指人也可指事物，强调不浪费时间、金钱、能源等的。

She is an efficient secretary.

她是一位得力的秘书。

The diesel engine is highly efficient.

这台柴油机效率很高。

全部

1·The service at the hotel is efficient and unobtrusive.

那旅馆的服务工作有效率而不夸张。《牛津词典》

2·The pill is the most efficient method of birth control.

避孕药是最有效的节育办法。《柯林斯英汉双解大词典》

3·Graphite is a highly efficient conductor of electricity.

石墨是一种高效的电导体。《柯林斯英汉双解大词典》

4·Computers are very efficient at manipulating information.

计算机在处理信息方面效率极高。《牛津词典》

5·An efficient bulb may lighten the load of power stations.

节能灯可减轻发电站的负荷。《柯林斯英汉双解大词典》

6·We must make the most efficient use of the available financial resources.

我们必须最有效地利用现有财力。《牛津词典》

7·The creation of an efficient and sustainable transport system is critical.

一个高效而可持续发展的交通系统的创建是非常重要的。《柯林斯英汉双解大词典》

8·With today's more efficient contraception women can plan their families and careers.

有了当今更为高效的避孕方法妇女们能够规划好自己的家庭和事业。《柯林斯英汉双解大词典》

9·Taking risks is the only way employees can provide effective and efficient customer service.

只有承担风险，雇员们才能提供高效的客户服务。《柯林斯英汉双解大词典》

10·This is currently the most efficient way to transmit certain types of data like electronic mail.

这是目前传输电子邮件等某类数据最有效的方法。《柯林斯英汉双解大词典》

有效的

1·The pill is the most efficient method of birth control.

避孕药是最有效的节育办法。《柯林斯英汉双解大词典》

2·This is currently the most efficient way to transmit certain types of data like electronic mail.

这是目前传输电子邮件等某类数据最有效的方法。《柯林斯英汉双解大词典》

3·It's not necessarily an efficient way to learn.

这不一定是一种有效的学习方式。

4·This maxim of relevance is quite efficient to use.

这种关联准则用起来非常有效。

5·Now your brain's job is to make that map more efficient.

现在，你大脑的工作就是让地图更有效。

高效

1·The creation of an efficient and sustainable transport system is critical.

一个高效而可持续发展的交通系统的创建是非常重要的。《柯林斯英汉双解大词典》

2·With today's more efficient contraception women can plan their families and careers.

有了当今更为高效的避孕方法妇女们能够规划好自己的家庭和事业。《柯林斯英汉双解大词典》

3·By investing in efficient plant it could generate lots of valuable carbon credits to sell to wealthier, more wasteful nations.

投资高效工厂能节余很多宝贵的碳信用额度，可以用来卖给那些更富有、更浪费的国家。《柯林斯英汉双解大词典》

4·I don't think it's very efficient.

我认为这样不是很高效。

5·They want to be efficient in their search.

他们想要高效搜索。

效率的

1·Computers are very efficient at manipulating information.

计算机在处理信息方面效率极高。《牛津词典》

2·Learning by doing may not be efficient, but it is effective.

边做边学可能效率不高，但却很有成效。

3·The more efficient a firm's employees are, the more profitable that firm will be.

一家公司的雇员工作效率越高，该公司的利润就越高。

4·We believe expanding such protections would make the labor market more fair and efficient.

我们认为扩大这类保护措施将提升劳动市场的公平性和效率。

5·This friction tends to slow the speed of winds, making them far less efficient at dispersing pollutants.

这种摩擦往往会减慢风的速度，使它们吹散污染物的效率大大降低。

有效率的

1·How can we be more efficient?

我们怎么才能更有效率呢？

2·In fact, becoming more efficient is part of the problem.

事实上，“变得更有效率”是问题的一部分。

3·But the right amount of stress makes us more efficient, healthier and safer.

但是适量的压力会让我们更有效率、更健康、更安全。

4·Every organ of state must apply the principle of efficient and simple administration.

每一个国家机关都必须实行有效率和简单管理的原则。

5·When our brains switch between being focused and unfocused on a task, they tend to be more efficient.

当我们的大脑在专注和不专注之间转换时，它们往往更有效率。

高效率的

1·They need to be productive and efficient, with technologies that do not get in the way but rather help them produce high-quality software.

他们需要是有生产力和高效率的，不妨碍他们，并且要帮助他们生产出高质量的软件的技术。

2·Meanwhile, costs in the US are going down as production becomes more automated and efficient.

与此同时，在美国，由于生产更趋自动化和高效率，生产成本会下降。

3·This is not only efficient, but also portable.

这不仅可产生高效率，而且还可以移植。

4·On the other hand, employers who are equipped to measure output against costs may see an efficient part-timer or telecommuter as an asset.

另一方面，那些考虑了产出成本比的雇主则可能看到一个高效率的兼职者或是电子通勤族是笔财富。

5·He says financial decentralization and increased community participation has led to efficient services and use of resources.

他说，财务权力下放和社区参与的增加实现了高效率的服务和资源利用。

效率高

1·However, since methanol-fueled vehicles could be designed to be much more efficient than gasoline clone vehicles fueled with methanol, they would need comparatively less fuel.

然而，由于以甲醇为燃料的车辆在设计上可以比以甲醇为燃料的“汽油克隆”车辆效率高得多，因此它们所需的燃料相对较少。

2·The company could be profitable, it could be capital efficient, or it could be crushing it.

公司可能在盈利，或者资本效率高，又或者将每分钱都用在刀刃上。

3·While this method is still available to companies if they choose, it is not as efficient as the other methods available today, like direct deposit.

然而这种方法至今还有效地存在于公司业务中，如果他们选择的话，但它没有今天所采用的其他方法那样效率高，如直接存取。

4·Its labor practices, for example, are both humane and efficient.

比如说，其劳动实践不但人性化而且效率高。

5·Testers are uniquely positioned to garner great benefit by harnessing the power of use case implementation by converting use cases into efficient, effective, phase-appropriate testing.

测试人员是通过将用例转换为效率高的，有效的，阶段性适合的测试，从而充分利用用例执行带来利益的唯一受益者。

能干的

1·She was efficient and reliable.

她既能干又可靠。《柯林斯英汉双解大词典》

2·The efficient ancient scientist had conscience in science.

那个能干的古代科学家在科学上有良知。

3·The most efficient shell user is a lazy one!

最能干的shell用户是一个“懒惰”的家伙！

4·Your world moves so fast that if you stop even for an instant to consider the implications of your actions, someone more efficient will whip past you in a blur.

你们的世界转的那么快，哪怕你停留片刻思考一下自己的行为所带来的影响，某些更能干的人就会以迅雷不及掩耳之势将你甩在身后。

5·Your world moves so fast that if you stop even for an instant to consider the implications of your actions, someone more efficient will whip past you in a blur.

你们的世界转得那么快，哪怕你停留片刻思考一下你们自己的行为所带来的影响，某些更能干的人就会以迅雷不及掩耳之势将你甩在身后。

富有效率

1·It is also the core of corporate governance in the listed companies. As a result, a normative and efficient assessment of financial management efficiency has its great significance.

因此，一个规范而富有效率的财务治理效果评价对于指导上市公司的财务治理实践具有重要的意义。

2·It is this kind of ability that makes the work of the team and the research more efficient.

正是这样的能力才能使团队工作与研究更加富有效率。

(1)energy efficient节能

(1)efficient production有效生产

(1)efficient market有效市场

(1)efficient market hypothesis有效市场假说；有效率市场假说

(1)efficient performance经营效果

(1)efficient frontier有效边界；效率前缘