The problem is that they do not practice it in a long-term memory way.

问题是他们没有进行长期记忆的训练。

youdao

As a beautiful flower that is full of hue but lacks fragrance, even so fruitless is the well-spoken word of one who does not practice it.

只说好话而没有实行是毫无结果的，这好比一朵美丽的花，徒具颜色而没有芳香。

youdao

It remains to be seen whether or not this idea can be put into practice.

这一想法能否付诸实践还有待于观察。

《牛津词典》

That is because the victims are vulnerable to exploitation, laws against this practice are not vigorously enforced and it is a hugely profitable trade.

VOA: standard.2009.08.21

And it was a practice that was not broadly used until somebody really studied systematically.

这项技术一直没有广泛应用,直到有人系统地研究它

耶鲁公开课 - 生物医学工程探索课程节选

And in terms of doing this for your homework, I actually want to mention that in the back page of your notes I attached a periodic table that does not have electron configurations on them. It's better to practice doing electron configurations when you cannot actually see the electron configurations.

关于你们的作业，是在你们讲义的后面的页,我附上了一张,没有给出电子构型的周期表,最好联系一下做出电子构型,当你们实际上看不到,电子构型的时候。

麻省理工公开课 - 化学原理课程节选

It is familiar and widely accepted all over the world, even by groups who do not practice it.

CNN: Highlights from the world's press

Framing is a critical negotiation skill so why not practice it on the easy things (your own life) before trying it out on others.

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So when it comes to Pakistan, they do not practice it.

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