Waiters, keen observers of humanity that they are, are catching on to this; in one poll, a full 30% said they didn't believe the job they did had any impact on the tips they received.

服务员对人性的观察非常敏锐，察觉到了这种情况。在一次民意调查中，有足足30％的服务员认为，自己的工作情况对收到多少小费没有任何影响。

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The seas are full of the cast-offs of humanity, from tub toys that have fallen off container ships to boats swept away in storms to bottled messages deliberately set adrift.

海洋中充满着人类的废弃物，有从货运船上掉下的浴缸玩具，也有被风暴冲走的小船，还有故意封存在漂流瓶中纸卷。

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Our common prosperity will be advanced by allowing all humanity -- men and women -- to reach their full potential.

让全人类—包括男人和女人—充分发挥其潜力将促进我们的共同繁荣。

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Half these genomes will be Chinese, but the institute's researchers intend to sample the full geographical range of humanity.

ECONOMIST: The next advances in genomics may happen in China

The behavioural economists reckon this may be because psychologists have focused on trying to link the moon to extreme behavioural problems in a few disturbed people, rather than to more humdrum lunacies affecting humanity as a whole, including a bias against shares around full moons.

ECONOMIST: How the sun and the moon move markets