These clocks are sometimes set by the number of hours of light or darkness in a day, by the rhythm of the tides or by the seasons.

这些时钟有时根据一天中白昼或黑夜的小时数目设定，有时根据潮汐的规律或者季节设定。

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Or what fellowship can light have with darkness?

光明和黑暗有什么相通呢？

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If I were a boy again, I would practice perseverance more often, and never give up a thing because it was hard or inconvenient. If we want light, we must conquer darkness.

假如我又回到了童年，我做事要更有毅力，决不因为事情艰难或者麻烦而撒手不干，我们要光明，就得征服黑暗。

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Many who observe this holiday will light the Diya, or lamp, which symbolizes the triumph of light over darkness and knowledge over ignorance.

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She was at the edge of darkness or the edge of light, depending upon which way you were going.

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In the case of the Argus II, the bionic eye or more accurately, the artificial retina, will turn darkness into light through a system comprised of electronics in the eye and wearable technology which wirelessly transmits a signal to the implant in the eye that lets the patient see again.

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