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。

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How to practice it: Even though it may seem bold, smiling at strangers is the top way to let them know it's safe to break through.

怎样练习微笑：虽然这需要勇气，但是对陌生人微笑是让他们知道如果你和我说话我会友好以待的上策。

youdao

How to practice it: Work on having an opinion or asking for the other person's view of things rather than just throwing a remark out there.

怎样实行：自己要有对事物的看法或者你可以询问别人对某事的看法，而不是自己说完一句话就完了。

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