我走到放衣服的椅子那儿，从表袋里取出一张一百法郎的票子，仍始终小心地背对着她。

I walked over to the chair where my clothes were lying and I wiggled a hundred franc note out of my fob pocket, carefully keeping my back turned to her just the same.

youdao

这其实是一个表袋，最初是为有怀表的人设计的，怀表放在这里面刚刚好。

It's a watch pocket, originally for men who wore pocket watches and needed a protective place to store them.

youdao

李·维斯创始人李维·史特·劳斯在博客中给出了最终答案：“最开始的蓝色牛仔裤有四个口袋，背面一个，前面两个，外加一个迷你表袋。”

The Levi Strauss blog confirms their conclusion: "the first blue jeans had four pockets-only one in back and, in the front, two plus the small, watch pocket."

youdao