deficit的反意是什麼詞

！deficit的中文意思是n. 虧損，赤字，不足額（體育用語）失分數缺乏，缺陷，它的反意是benefit，profit，獲利，贏利。

He promised to get to work on the state's massive deficit.他承諾着手處理該國嚴重的赤字問題。

Taxes only get part of the way toward a $50 billion deficit.