"Why should we do something when we've already done it?" But he recognizes that some people have strong feelings about the issue.

VOA: special.2010.04.28

Why does Aristotle say, as Brooks quotes him, that a plot should have a certain magnitude?

为什么亚里士多德会说，“剧情尤为重要“呢？

耶鲁公开课 - 文学理论导论课程节选

Why should we have happiness as our highest end, as our chief concern, as that which determines the motion of our life?

为什么把快乐作为最终目标，作为主要担心，为什么由它来决定生命活动？

哈佛公开课 - 幸福课课程节选

If a place doesn't have a Harrods and it doesn't have a Sainsburys why should it have a Barclays?

BBC: Money Box - Saturday 30 December 2000

We never see them coming, but we have no trouble concocting post hoc explanations for why they should have been obvious.

WSJ: Shattering the Bell Curve

There were reasons why I should have made a special effort this time around.

ECONOMIST: Our online news editor finds the opposition in disarray