请教AA-7
问个问题,大家不要见笑
AA-7第一句话里面的better off不是境况较好的意思吗?,那岂不是和它文中要表达的吃加甜味剂的食品不能达到节食目的的意思相违背吗?
it is better off doing sth. = you should better do sth rather than do sth.