a condition or situation in which something is necessary
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03
必要性
(usually plural) a set of things that allow someone to achieve their goal or live comfortably
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04
需要
the psychological feature that arouses an organism to action toward a desired goal; the reason for the action; that which gives purpose and direction to behavior
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例子
She needs a ride to the airport tomorrow.
The car needs a new battery to start.
Do you need any help with your project?
The house needs cleaning before the guests arrive.
