Efficacity
n. 效力, 功效
🗣️ 情景例句
Performing arts--performing arts centers.
表演艺术-- 表演艺术中心。
Knowledge advances by steps and not by leaps.
知识只能循序渐进，不能跃进。
Are you sure you don't mind?
你敢肯定你不会介意吗？