The day before they left Jeff had shopped extravagantly for presents for the whole family.

他们离开的前一天杰夫已奢侈地为全家人采购了礼物。

《柯林斯英汉双解大词典》

Before they left, the man took out a cane.

在他们离开之前，那个人拿出了一根拐杖。

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The visitors took a photo in front of the school gate before they left.

参观者们离开前在校门前拍了张照。

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The majority had not been involved at all in terrorism before they left for Iraq.

NPR: Examining the Makeup of the Iraqi Insurgency

It was commonly accepted behavior for women to dress up every day before they left the house.

FORBES: Do You Remember Lois Rabinowitz?

And only a fifth of primary schools did not ensure that all pupils could swim before they left.

BBC: 'Not enough strenuous activity' in school PE