In another sense, they're more willing to entrust the money back to the board of directors to decide on when and whether to pay dividends.

换句话说,他们更放心,把钱交给董事们管,让他们来决定什么时候或发不发股利

耶鲁公开课 - 金融市场课程节选

you can call your friend and ask them when they'll be free by using a "when" question.

你可以打电话给他们，用“When”问句来询问他们什么时候有空。

When 课堂 - SpeakingMax英语口语达人