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1·Jack: Don't worry. Some people might drop the class, then there will be some openings.

不要担心了。其中的几个人可能还会取消选课，那样的话不就有位置了吗？

2·Remember, you can always drop the class, and that's not a bad thing; often rather than getting a bad grade, it's better to withdraw.

记住，你可以随时退课，退可并不是件坏事，比起在最后成绩上有个并不理想的结果，还不如退课。

3·Remember, you can always drop the class, and that's not a bad thing; often rather than getting a bad grade, it's better to withdraw.

记住， 你可以随时退课， 退可并不是件坏事， 比起在最后成绩上有个并不理想的结果，还不如退课。

4·If you drop the class or decide that you do not need the book, you may return the book for a full cash refund if you have not made marks in it and it is returned before an established deadline.

如果你放弃阶级或决定，你不需要这本书，您可以随时返回本书进行全面的现金退款如果您还没有作出马克在资讯科技及传回的前一个既定的最后期限。

5·The students in the Flatiron class probably won't drop out of high school and build the next Facebook.

熨斗学校的学生可能不会从高中辍学并创办下一个脸书。

6·Her long illness caused her to drop behind the rest of the class.

她长期生病，所以落后于别的同学。

7·A dictionary or a class is likely to be a better data structure for thread management. As a quick example, below is a class that can (almost) drop in for the threads list in the examples.

字典或类可能是线程管理中更好的数据结构。

8·In traditional development models, testers are often treated as second-class citizens until the final drop moments before the scheduled delivery.

在传统的开发模型中，直到预定的交付之前的最后“失败”时刻，测试人员经常作为二等公民。

9·Her favorite class was Dari, the local language, before she was made to drop out of school.

在家人代她退学之前，她最喜欢的科目是当地的语言达里语的语文。

10·The single instance of mentioned class holds the reference for drop-down values of that class.

上述类的单独一个实例具有相应类的下拉列表值的引用。