Deficience
n. 机能不全; 缺乏; 缺点（等于deficiency）
🗣️ 情景例句
But I am thinking about myself.
但我就是在为自己着想呀。
We're having some friends over. What are you doing?
我们打算请几位朋友来玩。你打算干什么呢？
What on earth has happened to trouble you so?
到底发生什么事让您如此发愁？