You can see ramifications of arguments of this sort for environmentalism as well as for ethnography.

你可以看到这种论点的,环境主义分叉，或者是人种学分叉。

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You might say that optimists are people who think that for everybody in every case, in every circumstance, the total is always positive.

乐观主义者认为,任何人在任何情况下，在任何环境里，等式结果永远是正数。

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