当他们着地时，一切就开始消失了。
天刚破晓，潜水员们就开始准备，不久，一切准备就绪，钢球就在水面上消失了。
The divers began preparations at dawn and soon afterwards, when all was ready, the steel ball disappeared under the surface of the water.
当奥运会结束后，所有累积的专业经验就消失，使下一届主办城市必须一切从零开始。
After the Olympic Games, all the cumulate special experience are disappearance, and next city must be start in zero.
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