Mandatory expenditure 的释义·读音·用法·词根来源详解

🧩 词语组成解析

mandatory ['mændətɔri]

adj. 强制的;命令的;受委托的; n. 受托者;

mand命令+atory...的 →命令性的

expenditure [ɪk'spɛndɪtʃɚ]

n. 花费，支出;费用，经费;（尤指金钱的）支出额;（精力、时间、材料等的）耗费;

ex出+pendi=pend花费+ture表名词→支出，开销

Guess what?

你猜怎么的？

What's the best price you're prepared to offer for your product?

你们的产品最优惠的价格是多少呢？

Before you leave the lab, make sure the electricity is turned off and the windows are shut.

你们离开实验室前，务必要关上电源，关好窗户。

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