诉求的表达很繁复，也很多样。这就需要大人时刻准备着，说对了要表扬，说错了要纠正。
It's also a busy time for hospitals as they discharge as many patients as possible so they can be at home for Christmas.
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题目要求与弹出条件的对应关系：
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Source: Computational Materials Science, Volume 266