These periods became known as temporal hours, because their duration varied according to the changing length of days and nights with the passing of the seasons.

这些时段被称为“日光时”，因为它们的持续时间随着不同季节而带来的昼夜长短的变化而改变。

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And changing that is one of the company's biggest business challenges these days.

而改变这一点则是该公司这些日子以来最大的商业挑战之一。

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I would note that if you are planning on only being there for 65 days for example, don't bother changing your address.

我要说明的是如果你计划只在那呆比如65天，不要自找麻烦的更换你的住址。

youdao

Later,a stagecoach could make the trip in thirteen to fourteen days by moving day and night and changing animals often.

VOA: special.2009.03.30

I heard that Brooklyn is changing these days. Can you tell us about the changes?

我听说现在布鲁克林正在改变。你能跟我讲讲那些变化吗？

布鲁克林的变化 - SpeakingMax英语口语达人

Just like metro papers, many small town newspapers are feeling the pinch of the changing industry these days.

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For example, for Oregon in 1996 the first three numbers cycled from 540 to 544, changing every 60 days or so.

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Many mall trusts are changing hands these days at significant discounts to their net asset values, or NAVs, says Green Street Advisors, an independent research firm specializing in REITs.

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