He did the --he found out who they were, using similar methods to Lee's and profited from it.

莱德利夫找出了那些使用,李所描述的方法并且从中赢利的公司

耶鲁公开课 - 金融市场课程节选

They had profited and the master praises them.

他们获利了，主人赞赏了他们。

耶鲁公开课 - 弥尔顿课程节选

He saw it coming and, I have to say, profited from it.

他预见了这一场危机,而且不得不佩服,他还从中获利

耶鲁公开课 - 金融市场课程节选