Because two Pointers need to be updated, two CASes are needed.

因为需要更新两个指针，所以需要两个CAS。

youdao

A signed integer type that results from subtracting two Pointers.

这是一个有符号整型，是两个指针相减后的结果。

youdao

Okay. Well, I see the two Pointers, but they don't seem to be pointing to anything.

好的，呃，我看到那两个指针，但是他们好像，没有指向任何东西。

youdao

Number three, pointer assignment, takes one pointer and changes it to point to the same pointee as another pointer so after the assignment the two pointers will point to the same pointee.

第三条，指针赋值，使一个指针,指向另外一个指针所指向的数据,赋值过后，两个指针会指向,同样的数据。

哈佛公开课 - 计算机科学课程节选

> Okay. Well, I see the two pointers, but they don't seem to be pointing to anything.

>，好的，呃，我看到那两个指针，但是他们好像,没有指向任何东西。

哈佛公开课 - 计算机科学课程节选

> Okay. This code allocates two pointers which can point to integers.

>，好的，这段代码分配两个指针,可以指向整型数。

哈佛公开课 - 计算机科学课程节选

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