Wortnetzwerk: 필수

A requirement, something that is essential or very important.

A requirement or premise that must be met for something to happen. It also refers to the environment or factors that influence a situation.

The act of asking for something forcefully or as a right; a demand or requirement.

To be essential; absolutely necessary or important.

A moral or legal obligation; a responsibility. Often used in IELTS discussions about the role of government or citizens' duties.