两种都有:
spend +钱、时间+ on sth(名词)
spend + 钱、时间+in doing sth (IN 可省,动词ING形式)
如
I spent ten yuan on the book.
I spent ten yuan( in) buying the book.
两种都有:
spend +钱、时间+ on sth(名词)
spend + 钱、时间+in doing sth (IN 可省,动词ING形式)
如
I spent ten yuan on the book.
I spent ten yuan( in) buying the book.