The fast-track trend fills a need, but it's also creating some tension between newcomers and veterans.

这种快速发展的趋势满足了一种需求，但也在新人和老手之间制造了一些紧张气氛。

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You need to release the tension in these shoulder muscles.

你需要放松肩部肌肉。

《牛津词典》

For whatever reason, you need to learn how to de-stress from tension - for any situation.

不管是什么原因，你需要学会如何从紧张情绪中减压——在什么情况下都该如此。

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There is, of course, a natural tension between the need to control IT spending and maintaining a strong competitive position in light of new technologies.

WSJ: The Experts: What Is the No. 1 Technology Issue Facing Companies Today?

It illustrates America's schizophrenia on the issue and the built-in tension between the need to control our borders and the profits we reap from keeping it open, between the wall and wallet.

CNN: Commentary: Immigration debate between wall and wallet

But the lawsuit also highlights the tension between the need for standards that allow devices to talk to each other and the potential for competitors to use those standards to exclude new technology from the market.

FORBES: Liberty Media Unit Says Standards Manipulated By Competitors