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1·Most people do not have to be hospitalized for asthma or pneumonia.

多数人不必因哮喘或肺炎住院。《柯林斯英汉双解大词典》

2·A new invention means sheep do not have to be sheared – the wool just falls off.

一项新的发明意味着羊不必被剪毛–羊毛就会脱落下来。《柯林斯英汉双解大词典》

3·Associations do not have to be logical.

关联不一定要符合逻辑。

4·Rewards do not have to be stuff, Cornetti says.

“奖励不一定是物质的东西。”科内蒂说。

5·We do not have to worry about military applications.

我们不必担心军事上的应用。

6·Such programs do not have to negatively affect the environment.

这样的项目不一定会对环境产生负面影响。

7·You do not have to choose just one style throughout your business.

您不必在您的整个业务中只选取一种样式。

8·You do not have to rush as you have a year to go through the project.

你有一年的时间来完成这个项目，所以你不用这么着急去做。

9·We do not have to wait for spring or summer to buy strawberries or tomatoes.

我们不必等到春天或夏天才能买到草莓或西红柿。

10·Now people do not have to use a dog, but they keep it as a friend, just like a member of the family.

现在人们不必使用狗，但他们把它当作朋友，就像家庭中的一个成员一样。