1. spend something on something/ in doing something 花時(shí)間做某事

He spends too much on clothes. 他在衣著上花費(fèi)很大。

spend a lot of time on a project/in explaining a plan 花很多時(shí)間進(jìn)行某項(xiàng)目/解釋某一計(jì)劃

2. by the way 順便說(shuō)說(shuō)，順便問(wèn)一下；在途中

順便說(shuō)說(shuō)：
By the way, what was the funniest suggestion I saw?
順便說(shuō)說(shuō)我碰到的最有趣的建議。

Komodo dragon, by the way, why does man have to take him all away?
順便說(shuō)說(shuō)，科莫多龍。為什么人們都要奪走你的生命？

順便問(wèn)一下：
By the way, is Dr. Johnson available on Saturday?
順便問(wèn)一下，約翰遜大夫星期六有空嗎？

By the way, you got the prescription from Dr. Johson, didn’t you?
我順便問(wèn)一下，你的這個(gè)藥方是約翰遜大夫給你開(kāi)的吧。

在途中：
They stopped by the way to eat.
他們?cè)谕局型Ｏ聛?lái)吃飯。

You will have a fine view of Moray Firth by the way.
在途中你將欣賞到馬里灣的美麗景色。