考虑到夜晚也可以生存，并且可供选择的白天的“交易”完全被占用，它们自然选择偏爱那些成功在夜间进行捕食“交易”的蝙蝠。
Given that there is a living to be made at night, and given that alternative daytime trades are thoroughly occupied, natural selection has favoured bats that make a go of the night-hunting trade.
羽林军的几个方阵，有如水中的岩石，屹立在溃军的乱流中，一直坚持到夜晚。
Several squares of the Guard, motionless amid this stream of the defeat, as rocks in running water, held their own until night.
我坐在门前，从清晨到夜晚，我知道我一看见你，那快乐的时光便突然而至。
From dawn till dusk I sit here before my door, and I know that of a sudden the happy moment will arrive when I shall see.
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