418. Sb. spend ... (in) doing... 某人花（时间）做……

I spend a lot of time in shopping on the internet.

我花了不少时间在网上购物。

She spends 500 dollars in buying that cloth.

她花了 500 美元买那件衣服。

We spend two weeks in finishing the project.

我们花了两个星期才完成那个项目。

常用英语口语