必备

必备

Essential; necessary.

Here, "必备" describes 'an indispensable necessity that is required or fundamental'.

水是生命中的必备资源。

Water is an essential resource for life.

In this sentence, "必备" emphasizes 'items or objects that are crucial and must be prepared beforehand'.

旅行中的必备物品包括护照和行李。

Essential items for a trip include a passport and luggage.

"必备" in this context signifies 'a required qualification or condition that must be possessed'.

这是成为团队成员的一个必备条件。

This is a prerequisite for becoming a team member.