Effectivity
n. 有效, 功效
🗣️ 情景例句
I can let you go, as long as you can finish this task by the deadline.
我可让你走，只要你在最后的限期前完成任务。
He likes playing the harmonica.
他喜欢吹口琴。
Not only had the poor man been arrested, but he had been sent to prison as well.
那个可怜的记者不仅被捕了，而且还被送进了监狱。