它从0x50000000开始朝着堆栈方向向下增长。

It grows from 0x50000000 downwards toward the Stack.

youdao

我们得到一条在一个方向上向下，而在另一个方向上向上的抛物线。

We have a parabola going downwards in one direction, and upwards in the other one.

youdao

关联没有指定评估的任何方向，它们可以在多个方向下执行，这在你处理双向问题时是很有用的。

The relations do not impose any direction of evaluation and can be executed in multiple directions, which can be useful when you're dealing with round-tripping issues.

youdao

They're colored different here to indicate one new difference that you know about now, and that's that there is an orientation, there's an up and down on the chain.

这里被涂成不同的颜色,来表示另一个不同之处,它是有方向的,表示双链一条向上,一条向下

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