Once solar power plants are installed, they must be maintained and repaired, but the price of sunlight is forever free, duplicating those fuel savings year after year.

虽然一旦太阳能发电站架设了就需要维护和修理但是 作为原材料的阳光却是永远免费的，如此能持续节省燃油。

youdao

This information will be available for free, forever, to anyone building an application that needs local context.

这些信息对于那些开发本地应用的开发者永远免费。

youdao

One Custom Site, 100 Users, 100% Free forever.

一个可定制网站，100个用户，永远100%免费。

youdao

The final version of the Emancipation Proclamation came on January first,declaring: " ...all persons held as slaves within any State or designated part of a State, the people whereof shall then be in rebellion against the United States, shall be then,thenceforward, and forever free ..."

VOA: special.2010.05.10

But it's not a big con, because you can set up experiments in free space far from everything, where objects will, in fact, maintain their velocity forever.

但这并不是个反例,因为你可以在一个远离一切的空间里做实验,在那里,物体可以永远保持现有速度

耶鲁公开课 - 基础物理课程节选

This is what it said: I,Abraham Lincoln, president of the United States and commander in chief of the Army and Navy, do hereby declare that on the first day of January, eighteen sixty-three, all persons held as slaves within any state then in rebellion against the United States, shall then become and be forever free.

VOA: special.2009.10.08

On January 1, 1863, he issued the Emancipation Proclamation that declared forever free those slaves within the Confederacy.

WHITEHOUSE: Abraham Lincoln

They offer a forever free plan for up to 2, 000 subscribers and that perfectly suits many small businesses and small retailers.

FORBES: Post-Holiday Retail Sales Are Now Key To Shopping Season Success

With the advance of Union forces, it brought a new day -- that "all persons held as slaves" would thenceforth be forever free.

WHITEHOUSE: President Obama Speaks at the Clinton Global Initiative Annual Meeting | The White House