n.充裕；自满
Our country has sufficiency of natural resources. 我国有足够的自然资源。
His genial sufficiency was a taunt and a mockery to many. 他那么和蔼自满的态度，许多人都认为是一种辱骂和嘲弄。
n.缺乏；不足之处；机能不全
