对于那些想要一夜好眠的人来说，睡前喝一杯热牛奶一直是最好的选择。
A warm drink of milk before bed has long been the best choice for those wanting a good night's sleep.
因为山区田鼠的大脑中没有催产素和垂体后叶加压素的受体，这些化学物质对于它们没有作用，它们继续着它们的一夜之情。
Because the montane vole does not have receptors for oxytocin or vasopressin in its brain, those chemicals have no effect, and they continue with their one-night stands.
直到周一夜里晚些时候，对于(飞行的)中断还将持续多久，我们仍没有清晰的答案。
By late on Monday night there was still no clear answer as to how long the disruption might last.
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