Any temporary splints can be removed and the need for permanent splinting can be assessed at this stage.

任何暂时性的夹板是可以被移除的，并且是否需要安装永久性的夹板是可以在这个阶段决定的。

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Evolution is permanent and once a pokemon has evolved, it cannot turn back into its previous stage.

进化是永久且不可逆的过程。一旦神奇宝贝进化，它将不能恢复到从前的状态。

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While primary teeth will at one stage be replaced by the permanent teeth, they are very important for several reasons - including chewing and speech.

虽然乳牙会在某一阶段全部更换为恒牙，他们是非常重要的几个原因，包括槟榔、讲话。

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Our greatest fear is that if the business fails this regressive stage will become permanent.

FORBES: 3 Keys to Competing

It is not change per se that people fear but more specifically they fear that the regressive stage will become permanent.

FORBES: 3 Keys to Competing

Moreover, the cabinet's introduction at this stage of its permanent-status plans seemed calculated to elicit a rejection from the Palestinians, which could in turn be cited by the Israelis as a reason not to proceed with the redeployment.

ECONOMIST: Israel