n.先决条件；前提
v.预先准备
We will not make UN entry a precondition for cross-strait rapprochement. 我们不会将进入联合国作为两岸和解的先决条件。
A ceasefire is an essential precondition for negotiation. 停火是谈判的必要前提。
This is a precondition for the continuity of the human race. 生儿育女是人类得以延续的前提条件。
