out of necessity

基本解釋

In fact, they will have to melt away -- out of necessity on both sides.
事實上，它們也必須消失---也是出自雙方的需要。
Out of necessity we could develop bacteria to extract resources directly from the regolith — a useful technology for Earth as well.
如果需要，我們可以培養(yǎng)細菌，直接從表土提取資源——這項技術(shù)在地球上也非常實用。
If you think about it, you’ve probably created a lot of new traditions out of necessity or convenience, but you hadn’t thought of them as “traditions” at all.
如果你想想，你會發(fā)現(xiàn)自己很可能出于必要或是為了圖方便，已經(jīng)創(chuàng)造出了一大堆新傳統(tǒng)，但你之前從不認為它們是“傳統(tǒng)”。

Henderson,who is now 63, says he started to make guitars as a young boy,out of necessity.
They claimed they had acted out of necessity; that was their defense.
但他們聲稱此行為是迫不得已;,他們這樣辯護。
耶魯公開課 - 公正課程節(jié)選
Still, many people have clung to the idea of the Bible as a historically accurate document, many times out of ideological necessity. Many fear that if the historical information in the Bible isn't true, then the Bible is unreliable as a source of religious instruction or inspiration.
但很多人仍堅持圣經(jīng)是正確記錄歷史的文件,很多時候不是出于意識形態(tài)的必要，很多人擔心,如果圣經(jīng)中的歷史信息不正確，那么《圣經(jīng)》,就不再是宗教教育和神靈感應(yīng)的可信來源。
耶魯公開課 - 舊約導(dǎo)論課程節(jié)選

Some forward-looking cities are leading on solving the energy-nexus equation, some out of necessity.
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