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

没有afford doing sth这个搭配用法，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可以用作及物动词，意为买得起、担负得起。

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。