So the person standing very low made it more stable, exactly consistent with what we just saw.
所以人站得很低,会使它更稳定,和我们所看到的一致。
Third, even if we ignore these two problems, there is the grave fallacy in the very concept of "social cost," or of cost as applied to more than one person.
第三,即使我们忽略以上两个问题,“社会成本”或者一人以上的成本概念还有一个非常严重的谬误。
Collaboration, by its very nature, means that there is more than one person involved.
协作本来意思是一人以上参与。
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