Efficacity
n. 效力, 功效
🗣️ 情景例句
He treats everyone with courtesy.
他对待每一个人都很有礼貌。
A tattler is worse than a thief.
搬弄是非者，恶劣甚于贼。
History does not relate whether his friend accepted his medical help, but in all probability he did.
他的朋友是否接受了他的药物治疗，历史没有记载，但很可能是接受了。