同样，因为用任何其他方式公布一种观点都会使该观点永久失效，所以传统上，从其他领域的印刷材料上使用观点是安全的。

Likewise, because publication of an idea in any other form permanently invalidates further patents on that idea, it is traditionally safe to take ideas from other areas of print.

youdao

尽管输精管结扎术或输卵管结扎术后有失效的可能，但是一般来讲任何一种绝育手术的效果都是永久性的。

The decision to pursue sterilization must be taken seriously however. Although reversal is sometimes possible after vasectomy or tubal ligation sterilization of any type is considered permanent.

youdao

请注意更改并不会永久保存 —— 一旦页面重载，更改就失效了。

Please note that the change is not saved permanently -- as soon as the page is reloaded, the change is gone.

youdao