离开家前的几周，我们要去的地区下了很多雨。

A few weeks before we left home, there was much rain in the area we were going to.

youdao

离开家前最后查看一下 QQ 或微信。

Check QQ or WeChat last before you leave your house.

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直到18岁离开家前的孩童时期，父亲每晚都会来到我的卧室，吻我一下，然后说：“爱你，儿子。”

As a child until I left home at 18, my father came into my bedroom every night, gave me a kiss, and said, "love you, son."

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Then there's Fitch, who's the third, which is smaller than these two.

还有一个排名第三的评级机构叫惠誉,它比前两家规模要小一些

耶鲁公开课 - 金融市场课程节选

Now, this game, this game of imperfect competition between two firms competing in quantities, was thought up and studied by a French economist called Cournot almost a hundred years before Nash.

这个博弈,这个关于两家公司的产量竞争的博弈,早在纳什出生一百多年前就被,一个法国的经济学家古诺研究过

耶鲁公开课 - 博弈论课程节选