Most of their activities are carried out at night, but some activities are also carried out in the early morning.

他们的活动大多是在晚上进行，但也有一些活动是在清晨进行。

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But daily vertical movements by zooplankton in the ocean—upward by night to seek food, downward by day to escape predators—can also be considered migration.

但是海洋中浮游动物每天的垂直运动——夜里上浮以寻找食物，白天下潜以躲避捕食者——也可以被视作迁徒。

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Charlie McVeigh, who owns Draft House pub group in London, also reckons the busier the night the better.

查理·麦克伟，是伦敦转福特屋酒店集团的老板，他也觉得晚上越忙越好。

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And also while in the night pass we can see all the lights -- that means that the humans are active even in the night.

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The prince is also shown in Sunday night's programme meeting TV chef Jamie Oliver during a visit to Carshalton Boys Sports College, south London, where he revealed his favourite food at school was "Marmite on fried bread".

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Also performing earlier in the night: Alicia Keys, in a flowing red gown.

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