According to the research, if a kid uses social media a lot, especially at night, he or she will sleep worse and feel more nervous and depressed.

根据一项研究，如果孩子频繁使用社交媒体，特别是在晚上，他们的睡眠将会变差，也会感觉更焦虑和消沉。

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Photo Tip: Have fun with artificial light, especially at night.

摄影小贴士：好好把玩人造光，特别是在晚上。

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Most neighborhoods are safe, although there are some that can be dangerous, especially at night.

大多数环境是安全的，当然会有一些也不安全，尤其在晚上的时候。

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These are momentary disturbances, though, more than compensated for by the view, especially at night.

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The sandpaper has this sparkly quality that will give the wall some twinkle, especially at night.

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Even the touristy areas like Fisherman's Wharf and Alcatraz (especially at night) are worth visiting repeatedly.

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