Cold call somebody who hasn't got their hand up.

你去找一个没有举手的人回答

耶鲁公开课 - 博弈论课程节选

But Larry Paige at Google can call up a broker-- he better get the board's permission-- somebody at Google can call up a broker and make the same statement: we want to buy Google shares.

但是谷歌的拉里·佩奇也给经纪人打电话,当然要经过董事会允许,谷歌的某个雇员可以给经纪人打电话,然后做出同样的买入要求,我们想买进谷歌的股份

耶鲁公开课 - 金融市场课程节选