a lot of后加什么詞

　　例句：

　　I am spending a lot of money and time on this boat, but it is worth it

　　我在這艘船上花了很多金錢和時間，但都很值得。

　　I have lost a lot of weight

　　我體重減了不少。

　　Is there a lot of effort and money going into this sort of research?

　　這種研究目前是否有大量的人力和資金投入？

　　I think a lot of people still underestimate him

　　我覺得很多人仍然低估了他。

　　You've caused us a lot of trouble

　　你給我們造成了很多麻煩。

　　A lot of this has to do with power and greed.

　　凡此種種都和權力與貪欲有關。