But in investigating crime we must take our stand upon the commonplace.

但在调查犯罪时， 我们必须站在平凡的立场上。

" Uncle, this is a serious matter, and we must take our stand at once, for you are Phebe's guardian and I am her sister, " began Rose with pretty solemnity.

“叔叔，这是一件很严肃的事情，我们必须立即表态，因为你是菲碧的监护人，我是她的妹妹，”罗斯非常严肃地开始说道。