necessity
翻译
必要性, 必需品, 必然
例句
Food and water are basic necessities.
食物和水是基本必需品。
There is no necessity for you to come.
你没有必要来。
We understand the necessity of the changes.
我们理解这些改变的必要性。
语法模式
a necessity 必需品 Food and water are basic necessities.
the necessity of (sth./-ing) (……的)必要性 We understand the necessity of the changes.
out of necessity 出于必要 He started the business out of necessity.
近义词
同义词:requirement, need, essential
词源
源自拉丁语“necessitas”,由“ne-”(不)和“cedere”(屈服)组成,意为不能屈服或避免的事物。
记忆技巧
记住一句著名的谚语:“需要是发明之母(Necessity is the mother of invention)。”这有助于记住它作为一种驱动力的含义。