或者一个事物具有别的任何事物都没有的属性，这时我们可以直接用一个描述使它同别的事物区分开来并指谓它；
Either a thing has properties that nothing else has, in which case we can immediately use a description to distinguish it from the others and refer to it;
或者一个事物具有别的任何事物都没有的属性，这时我们可以直接用一个描述使它同别的事物区分开来并指谓它；
Either a thing has properties that nothing else has, in which case we can immediately use a description to distinguish it from the others and refer to it;
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