I have no idea what's here at the moment so I'm just going to draw a question mark because that memory might have been used previously for some other purpose, but we know it's currently available to us so we have four bytes of memory.

我不知道在此刻这里是什么,所以我画一个问号，因为那块内存可能在之前,为其它的目的而使用过，但是我们知道它可以为我们所使用,这样我们就有4个字节的内存。

哈佛公开课 - 计算机科学课程节选

Of course, as you have guessed, the good reader is the one who has imagination, memory, a dictionary and some artistic sense, which sense I propose to develop in myself and others whenever I have the chance.

当然，就像你们猜到的那样，好读者拥有想像力、好记性、,一本字典和几分艺术感，我建议一有机会,就进行自我及他人的艺术感培养。

耶鲁公开课 - 1945年后的美国小说课程节选