Plastic pipe is easy to install, and doing it yourself saves big bucks.

塑料管易于安装，你自己装的话会省下一大笔钱。

《柯林斯英汉双解大词典》

And doing it this way made me the happiest.

而且我这么做的话会最快乐。

youdao

He reckons that SKS should be doing more microfinance and doing it fast.

他认为SKS应该做更多的微型金融业务并且要尽快做。

youdao

"You think you've got your own computer all to yourself and you can't tell the difference that you're working on something other than a computer and sharing this other resource and doing it at a much lower cost than having your own PC."

VOA: special.2010.04.12

in a sufficient amount of time and doing it well.

在足够时间里做到，还要做好。

时间管理很重要 - SpeakingMax英语口语达人

Most athletes would say the same thing, "I'm just being myself, doing what feels natural and just enjoying it."

很多运动员都会说一样的话，做回自我，顺其自然,享受比赛“

普林斯顿公开课 - 人性课程节选

Being seen to be doing his job, and doing it well, is worth a thousand rallies.

BBC: Sandy steals spotlight from Romney

But saying it and doing it, and doing it believably are three vastly different things.

FORBES: The Race For Innovation

The health care system is a big, complicated system, and doing it right is hard.

WHITEHOUSE: "White House to Main Street" Town Hall: Elyria, OH