I sometimes come away after this discussion thinking, Why am I wasting our time?

我经常在讨论的最后想，我为何浪费时间呢？

耶鲁公开课 - 死亡课程节选

While traveling, schedules time for walks, sometimes after midnight. 3.

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Japan reinstated a gold standard in 1871, 1897, 1930 and 1949, each time after extended periods of a floating currency and sometimes hyperinflation.

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However, that does not explain why companies often pull the plug on broad campaigns to accelerate innovation, sometimes after only short periods of time.

FORBES: Magazine Article