短语：

等效力 equivalent force ; reduced force

为了你所效力的团队 you play for ; you u play for ; you play

法律效力 legal force ; the force of law ; legal effect ; force adeffect

相关介绍

例句：

药物存放太久，可能会失去效力。

If you keep a medicine too long, it may lose its potency.

此类有追溯效力的立法还鲜有先例。

There are few precedents for this sort of retrospective legislation.

这些指导原则不具有法律效力。

These guidelines do not have the force of law.