一项新的研究发现，某种鱼在就餐时，如果雌性鱼举止不礼貌，雄性鱼会惩罚它。
Males of a certain fish species will punish females when they misbehave while eating, a new study finds.
当然，问题在于不停地看手机是非常不礼貌的——它明确表明你收到的信息要比任何此时此地发生的事情更为重要。
The problem, of course, is that constantly perusing your phone is freaking rude -- a clear signal that your reception is more important than anything going on in the here and now.
如果没有打开礼物而把它随意搁放，这样做是很不礼貌的。
If you do not open the gift and put it at random shelf, this is very impolite.
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