Anyway, the government might buy them back too, so who cares if it isn't forever.

无论如何,也许政府会重新将公债买回来,谁在乎它到底是不是永久的呢

耶鲁公开课 - 金融市场课程节选

This lady doesn't need the -- who cares where her brothers are?

小姐并不在乎，谁在乎她弟弟在哪里呢？

耶鲁公开课 - 弥尔顿课程节选

If the message is important it will be resent, and if it isn't, who cares anyway?

WSJ: David Gelernter: The Pros and Cons of Cyber-English

This is true, but people under age 25 don't vote, so who cares?

WSJ: How Mitt Romney and Rick Santorum Should Be Dressing | Moving Targets

If those investments don't keep pace with inflation, who cares?

FORBES: Buried Trouble