他现年71岁，已经退出了政治角逐。

At 71, he has now retired from the political fray.

《牛津词典》

美国运动代表队已经退出了为期4天的篮球锦标赛。

The American squad has pulled out of the four-day basketball tournament.

《柯林斯英汉双解大词典》

最强劲的挑战者，德克萨斯州的民主党人马丁·弗罗斯特已经退出了竞选。

The strongest challenger, Texas Democrat Martin Frost, has withdrawn from the race.

《柯林斯英汉双解大词典》

Just get out of the market because it's not worth it for you to sell anything.

退出市场,因为已经不值得销售任何产品了

耶鲁公开课 - 博弈论课程节选