Eat away profits但a有必要t ?
母语人士的回答
Rebecca
在这种情况下, a t的是,必须输入表达式的一部分介词to eat away at something 。如果你使用的表达eat away食品是指吃热忱, a t可以省略。示例: Everyone, eat away to your heart's content! We have lots of food! (每个人都吃很多!有很多食物!)示例: Continuous bad weather has eaten away at the restaurant's profits. (由于持续的恶劣天气,餐馆的利润有所下降。)