在过去整整四十年，神一直是日间用云柱，夜间用火柱来带领他们，他们只要跟著云柱或火柱移动或停留就行了。

For forty years the pillar of fire had led them. It was a cloud by day and a fire by night. They had only moved as it moved. They had stayed when it stayed.

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研究者们用标准的抑郁和嗜睡尺度对结果进行了评定，同时也熬夜和日间嗜睡研究进行了评定。

The researchers assessed outcomes using standard depression and sleepiness scales, as well as overnight and daytime sleep studies.

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与日间的快速服务不同，夜班列车伴随着轧轧声悠闲而缓慢的前进，旨在让乘客养精蓄锐准备迎接新的一天，而不是用最短时间从起点到终点。

The opposite of fast daytime services, night trains chug at a relaxed pace, aiming to deliver passengers refreshed and ready for the day rather than getting from A to B in the shortest possible time.

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