词汇网络: need

A thing that is needed or wanted; a condition that must be met in order to achieve a specific goal or comply with a rule. In formal and academic settings, it often refers to a compulsory qualification or a mandatory standard of performance.

The state of being without or not having enough of something. It can function as a noun to describe a deficiency or as a verb to indicate that something is missing or absent.

The state or fact of being required or indispensable. It refers to something that is absolutely essential or unavoidable, often implying a strong need or obligation.

Absolutely necessary or extremely important; referring to the basic or fundamental nature of something. It describes things that cannot be done without or are intrinsic to a subject.