Somehow, when I told you to invert the transformation, some of you had some difficulty.

我上次让你们逆推变换公式的时候,有的同学觉得很困难

耶鲁公开课 - 基础物理课程节选

Now those of you who have been in other classes where you've used these will know what these are and you may even have the clicker already.

上过其它课程的同学可能知道,有的也许已经拿到表决器了

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

A few of you were probably wondering, "Well, how do I actually get the int from the user?"

有的同学可能想知道：,“我们怎么通过用户获得那个int数值“

哈佛公开课 - 计算机科学课程节选