你问得到位，非常有质量。1 The question is easy (sb.) to answer== It is easy (for sb,) to answer the question.因为你的句子省略了括号里面的逻辑主语，并且完全可以省略。2 They are nowhere to be found== They are nowhere for you / me to find因为they是要被find的主体，做主语。如果用主动语态，必须写上for sb这样的结构。明白了吗？祝你天天向上。...
