afford to do sth 与 afford doing sth 有什么区别

没有afford doing sth这个搭配用法的，只有afford to do sth和afford sth这两种用法。afford to do sth ：支付得起去做某事。afford sth ：支付得起某物。afford sb sth ：给某人某物。afford是一个英语单词，可以用作及物动词，可以翻译为买得起、担负得起，等等。例句：Today, the typical indian middle-class household can only afford a motorcycle.如今，印度一般的中产阶级家庭只能买得起摩托车。
These industries are luxuries that only wealth and high production efficiency can afford.这些行业都是奢侈品，只有富裕和高效生产方能提供。