And for reference, incidentally, in case you ever forget what the point of some exercise was, I'll almost always comment the code up top with a quick sentence or two that reminds you what this program does.

顺便作为参考，为了避免我们可能忘记一些代码的意思，我通常会用一两个简单的句子,在上面作出注释,那样会提醒我们这个程序是干嘛的。

哈佛公开课 - 计算机科学课程节选

The book is full, you will see, of a number of descents and ascents.

你们将会读到，本书充满一些下降与上升的句子。

耶鲁公开课 - 政治哲学导论课程节选

Odds are when this function called gets a string from the user by expecting them to manipulate their keyboard - with their fingers, I need to-- initiatively I'm gonna get back a sentence or a word or a phrase or something.

调用GetString获取的信息也有可能,是通过键盘敲进来的,东西-,它将会返回句子啊，单词啊,或词组啊等等一些信息。

哈佛公开课 - 计算机科学课程节选