There are seventy-five perfumes, which it is very necessary that a criminal expert should be able to distinguish from each other, and cases have more than once within my own experience depended upon their prompt recognition.

香水一共有七十五种，一个犯罪学专家应当每种都能分辨得出来。根据我个人的经验，在不只一件案子里，全靠能迅速辨别出香水的种类才破的案。

Conan Doyle, Arthur / The Hound of the Baskervilles柯南 道尔 / 巴斯克维尔猎犬

巴斯克维尔猎犬

柯南 道尔

The Hound of the Baskervilles

Conan Doyle, Arthur

© 1901, 1902 by A. Conan Doyle