Efficacity
n. 效力, 功效
🗣️ 情景例句
I'm a senior here, so let me know if I can help you with anything.
我是大四的老生，有什么能帮忙的尽管说一声。
One cannot always be a hero, but one can always be a man.
人难一世称雄，但可一生为人。
Where are you from then ? Canada?
那么你是从哪里来的呢？加拿大？