The really serious things in life are earning one's living so as not to be a parasite, and loving one's neighbour.

生活中真正要紧的事情一是自食其力、不做寄生虫，一是爱人如己。

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Art is small beer. The really serious things in life are earning one's living so as not to be a parasite, and loving one's neighbour.

艺术是不足挂齿的。生活中真正要紧的事情一是自食其力、不做寄生虫，一是爱人如己。

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There was thought to be one exception, however, in the form of Giardia, a single-celled parasite with a nasty effect on people.

曾经一度认为有一个例外，是一种叫Giardia的单细胞寄生生物，常引起人体患鞭毛虫病。

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"We've identified a weakness in the parasite that can be exploited with drugs.

VOA: standard.2010.04.05

The fact of the matter is, if no continuous plan of action is set in motion, and continually adjusted, third party merchants will continue to be a parasite in virtually every massively-multiplayer online game.

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Each has weak antimalarial activity on its own, but Watkins' experiments over several years showed the new combo to be a potent parasite killer.

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On its own, each has only weak antimalarial activity, but Watkins' experiments over several years showed the new combination to be a potent killer of the parasite.

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