Why must I weep when others sing?

别人欢唱，我为何悲哭？

youdao

Why must I work while others rest?

别人休息，我为何工作？

youdao

Why must I travel so far to be meeting man like you?

为什么我不得不走这么远才能见到你这样的男人？

youdao

That's why I must decide on something at once while there is still time, before I am famous.

VOA: special.2009.09.20

There must be fundamental reasons for it and I wanted to go over some of the fundamental reasons why we have banks.

它的形成必有其根本的原因,下面我就阐述银行产生的一些基本原因,为什么会有银行

耶鲁公开课 - 金融市场课程节选

Question: Why must I do the job at all?

FORBES: Digital Rules

Oh, digital gods, why must something I love enable something I hate?

FORBES: Adultery app for the iPhone

My neighbors, she said, I must tell you why I am here.

NEWYORKER: Magda Mandela