Another research for us to pursue is what to be selected as "green" blowing agent and how to practice it.

另一个需要从事的研究是选择何种“绿色”发泡剂，以及如何实践它。

youdao

How to practice it: Next time you start a conversation, make an effort to ask the person you're chatting with at least three questions before making another observation of your own.

具体怎么做：下次在开始一段对话前，准备好三个问题，向对方发问，然后再发表你的看法。

youdao

It is still early to determine how well the practice is working and there are concerns the militias lack the training and equipment to counter the Taliban.

VOA: standard.2009.03.26

wish you have a very successful semester as you dig into the science of positive psychology and put it into practice in your own lives, and think about how to take positive psychology from the classroom to the world.

祝你们本学期取得成功,深入学习积极心理学的科学,并将之应用于生活，思考如何把积极心理学,从教室带向世界。

哈佛公开课 - 幸福课课程节选

And it gets down to the nitty-gritty of how to make it happen in practice.

FORBES: The One Thing The Greatest Salespeople All Have

At first sight having investors pay for ratings sounds like a good idea, but it is difficult to see how it would work in practice.

FORBES: Rethinking Credit Ratings

While smart meters in theory could help lower their bills, West wants to see how it works in practice before he contemplates a major program.

FORBES: Are Smart Meters Smart? Entergy Exec Wants Proof