Number two, pointer dereferencing starts at the pointer and follows its arrow over to access its pointee.

第二，指针非关联化从指针开始,通过它的箭头,来使用它的指针数据。

哈佛公开课 - 计算机科学课程节选

Somewhere else in memory but it's a different number hence it's a different arrow.

内存中的其他地方,但是它是一个不同的数字，因此它是一个不同的箭头。

哈佛公开课 - 计算机科学课程节选

If you don't put an arrow on top, it means you're talking about just a number A.

如果不加这个小箭头,也就意味着你只是在讨论一个数字 A

耶鲁公开课 - 基础物理课程节选

So, for the most part any time we talk about or draw pointers an arrow suffices, which really 71 in there is a number like 71, which is the literal byte that the F is actually in in RAM, but frankly who cares?

所以，每次我们讨论,或者用箭头表示指针,在指针里面有一个数字，如,那是F在RAM中的字节，但是谁在乎它呢？

哈佛公开课 - 计算机科学课程节选