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Necessity is the mother of invention。是什么意思？

Necessity is the mother of invention。

需要是发明之母。

相关词汇
necessity is the mother of

necessity

n. 必要（性），（迫切）需要，必需品，自然规律；

is

vt.& vi. 是（be的三单形式；n. 存在；

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

mother

n. 母亲，妈妈，女修道院院长，大娘；vt. 像母亲般地照顾，养育，溺爱；

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；
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