不难看出他们为什么而战。

It's not hard to see why they fight.

youdao

如果生活是一场战斗，我该为什么而战？

What should I fight for, if life is a war?

youdao

这些媒体先锋们指出，利比亚人懂得他们一直以来为什么而战。

These media pioneers say Libyans understand what they have been fighting against.

youdao

One of the best descriptions I've ever read of why slavery persisted, of why people defended it, and why people went to war for it, came before the war, in 1857, in a speech by the African-American woman, novelist, writer, poet Frances Ellen Watkins Harper.

我曾读到的一段比较精彩的论述,关于为什么奴隶制度留存了下来,为什么人们为其辩护,为其而战,在1857年,战争前夕,在一个非裔美国女人的演讲中,她是小说家兼作家兼诗人,弗朗斯·伊莲·瓦特金·哈伯

耶鲁公开课 - 美国内战与重建课程节选