moral necessity

基本解释

What we did was a moral necessity.
我們做了在道義上非做不可的事。
"We feel that there is a certain moral necessity to make known the terrible facts, " a missionary, Miner Searle Bates, wrote.
“我們覺得應該讓人們知道這個悲慘的事實，這絕對是道義上的需要”一位委員會的成員Miner Searle Bates這樣寫道。
And for the United States, this is a matter of moral and pragmatic necessity.
對於美國而言，這個問題具有道德和實際的必要性。

If they acted with a kind of mechanical necessity or even geometric necessity, they could not possibly be moral laws in that way.
如果這些法則有機械上,或者幾何上的必須性的話，它們就不能被稱作道德法則。
耶魯公開課 - 政治哲學導論課程節選
In other words, as the judge said, what's always moral isn't necessarily against the law and while I don't think that necessity justifies theft or murder or any illegal act, at some point your degree of necessity does, in fact, exonerate you from any guilt.
換言之，正如法官常說的，情有可原，未必不可法外容情,儅然我不認爲，一句情有可原,就能爲盜竊，謀殺以及其他違法行爲正名，但有時，情有可原的程度,確實可能法外容情，赦免你的罪行。
耶魯公開課 - 公正課程節選

Secretary Rumsfeld has indicated that the President perceives this as a "moral" obligation, as well as a strategic necessity.
CENTERFORSECURITYPOLICY: Center For Security Policy
Such calculations are far from sinister, but are an absolute necessity of continued existence and, as such, perfectly moral.
FORBES: If Insurance Companies Can't Utilize Pre-Existing Conditions, Then They're Not In The Insurance Business