for a good cause

基本解釋

This could be a struggle against adversity, selfless work for a good cause, or something really funny or unique.
這可以是一場和逆境的抗爭、為一個好理由做出的無私奉獻、或是真正有趣或特別的事。
When confronted with these exaggerations, some of us say that they are for a good cause, and surely there is no harm done if the result is that we focus even more on tackling climate change.
有些人看到這些夸大的描述后，認為它們都是出于好意。當然，這些災(zāi)難性描述帶來的反應(yīng)，如果只是人們變得更加關(guān)注如何應(yīng)對氣候變化，那自然沒有什么壞處。
The company allows people to buy boxes of doughnuts at cost price, and then sell them for a profit for a good cause, and many of these are schools or children's groups such as Scouts and Guides.
該公司允許人們以成本價購買盒裝的甜甜圈，然后用一個好的名頭賣掉它們從而獲取利潤，大多是通過學(xué)校或?qū)W生團體，比如說女童子軍和導(dǎo)師。

But at the same time, it is for a good cause.
because you know that they'll use it for a good cause.
因為你知道他們會妥善地使用這筆錢。
不做善事的理由 - SpeakingMax英語口語達人
Parties... I mean they're pretty good. Sometimes they're for a cause,
派對……它們挺好的。有時候是為了慈善，
派對很好玩 - SpeakingMax英語口語達人

Sometimes it's done for a good cause--Amanda Peet asking parents to inoculate their children.
FORBES: Stars Vs. Science