After a few more climbs, once to the top of the domed reservoir, my fear seemed to evaporate in the warm midnight air—I had simply been out of practice.

爬过几次后，只要爬到半球形蓄水池顶，我的恐惧似乎就在午夜温暖的空气中蒸发了——原来，只是我久不练习而已。

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“I wouldn’t be surprised if a large proportion of surgical practice is based on thin air, and [claims for effectiveness] would evaporate if we studied them closely, ” Ioannidis says.

他说：“我不会感到惊讶，一大部分的外科手术是建立在子虚乌有之上的，如果我们仔细研究，他们就会消失。”

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But then, after a few more climbs, once to the top of the domed reservoir (kids, don't try this at home), my fear seemed to evaporate in the warm midnight air-i had simply been out of practice.

爬过几次后，只要爬到半球形蓄水池顶(孩子们，别在家做这样的尝试)，我的恐惧似乎就在午夜温暖的空气中蒸发了——原来，只是久不练习而已。

youdao

Then discount everything by 50 percent since promised spending cuts (oops, I mean reductions in previously planned increases) tend to evaporate.

FORBES: Washington's Never-Ending Scam Of Fake Spending Cuts