It must fall.

它一定会倒。

youdao

youdao

Since it is not easy to judge the direction of force in a fall, much less the extent of force, the belayer must evaluate each situation and make use of the rock for the most secure position.

由于在降落过程中很难判断受力的方向，更不用说受力的大小，因此保护者必须对每一种情况进行估量，并利用岩石取得最安全的位置。

youdao

But note that if the Dow is to return to its long-term average of 15 times earnings, it must either fall to 7700 or stay under 10, 000 for another few years.

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If you want to save daylight time or spend it, you must remember to spring forward or fall back.

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