Ted: Which do you like, spring or fall?

泰德：你喜欢春天还是秋天？

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It was only at two points in the year that the night and the day were of equal length and that was at the spring or fall equinox.

一年之中只有两次，白天和夜晚的长度一样，即春分和秋分。

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Day and night would each be exactly 12 hours long on a spring or fall equinox only if the sun were a single point of light and Earth had no atmosphere.

如果想要昼夜在春秋分日达到精确地12小时等长，除非太阳是个单点光源或者地球上没有大气层。

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If you want to save daylight time or spend it, you must remember to spring forward or fall back.

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Others set aside entry-level hiring until the spring for a summer or fall start.

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"In the '60s, you got engaged in the fall and had a spring or summer wedding, " Fisher said.

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