With the computer today, you can, for the most part, not represent every possible number that mankind can think of.

在当今世界，大多数情况下，并不是要把每个数字,都精确表示出来。

哈佛公开课 - 计算机科学课程节选

And in today's situation, you have to do Master's in order to get good job,

在当今这种情况下，你必须读研才能找到一份好工作，

就业很难 - SpeakingMax英语口语达人