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1·In one case, the professor didn't require students to buy a textbook, just an access code to turn in homework.

有一次，教授并没有要求学生购买教科书，只是需要作业提交的访问码。

2·Because it's all digital, it eliminates the used book market and eliminates any sharing, and because homework and tests are through an access code, it eliminates any ability to opt out.

因为它全是数字化的，它淘汰了二手书市场，也杜绝了任何共享，而且因为作业和考试都是通过准入码进行的，它让人们失去了选择退出的任何能力。

3·But because it's all digital, it eliminates the used book market and eliminates any sharing, and because homework and tests are through an access code, it eliminates any ability to opt out.

但因为它全是数字化的，它消除了二手书市场，也消除了任何共享，而且因为作业和考试都是通过准入码进行的，它消除了任何选择退出的能力。

4·You saw all of the data-access code.

您看到了所有的数据访问代码。

5·Code generators can create data access code in seconds.

代码生成可以在几秒钟生成数据访问代码。

6·If your data access code catches an exception, do not ignore it.

如果数据访问代码捕获了一个异常，不要忽略它。

7·Unfortunately, I have forgotten my three-digit access code.

但不巧的是，我忘记了进入语音信箱的三位数密码。

8·Some systems even automate writing some of the database access code for you.

一些系统甚至可以自动写入一些数据库访问代码。

9·That means that you do not write data access code for your business objects.

这意味着你不写你的业务对象的数据访问代码。

10·Of course, we had to express this business request in appropriate data access code.

当然，我们必须以适当的数据访问代码来表达这种业务请求。