Necessity
01
必要性, 必需
the fact that something must happen or is needed
例子
In many jobs, having a reliable internet connection is a necessity for performing daily tasks effectively.
在许多工作中，拥有可靠的互联网连接是有效执行日常任务的必要性。
The necessity of following traffic laws ensures safety on the roads for everyone.
遵守交通法规的必要性确保了道路上每个人的安全。
02
必需品, 必要性
a thing that is essential or required for basic living or functioning
例子
Oxygen is a necessity for human life.
氧气是人类生活的必需品。
Food, clothing, and shelter are considered basic necessities of life.
食物、衣物和住所被认为是生活的基本必需品。
