It is a common experience that a problem difficult at night is resolved in the morning after the committee of sleep has worked on it.
一个普遍的经验是，一个困难的问题在晚上解决后，在早上的睡眠委员会的工作。
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一个普遍的经验是，一个困难的问题在晚上解决后，在早上的睡眠委员会的工作。