English version
necessary
是什么意思
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necessary
須用
necessary condition
必要条件
Necessary Depreciation and Expenses
必要損耗及費用
necessary expenses
需用經費
necessary, important, essential, must, ought to, summarize, generalization, synopsis, will, shall
要
necessary, requisite, certainly, surely, be certain, be necessary, must, an emphatic particle
必