I traced the course of the river on the map spread out on my briefcase.

我在自己公文包上铺展开的地图中勾画出了这条河的流向。

《柯林斯英汉双解大词典》

I remembered that it was in my briefcase.

我记得它在我的公文包里。

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I should not leave my briefcase and camera bag unguarded.

我不该留下我的皮箱和相机包无人看管。

《柯林斯英汉双解大词典》

Cellphone, watch, keys and pens all go into my briefcase before I get in line.

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It happened that I had to go with my briefcase, a brown leather case.

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It has to transition into evenings without looking as though I took my briefcase to dinner (even though I did).

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