同样的情况也发生在我自己身上，我本身就是一个中年程序员大叔，体力和精力比以前弱很多。
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，这一点在夫子中也有详细论述
Dig leader Peter Crawley said he had a gut feeling about the site before the excavation began.，更多细节参见同城约会
Sports events will create spikes in demand, for example at half time, while concerts produce "relentless, sustained pressure from start to finish".