There are many application frameworks in the open source and commercial spaces, and many more have been custom-built by organizations that develop applications.

开源及业务领域中有许多应用程序框架，而更多的由开发应用程序的组织定制地构建出来的。

youdao

There are tracts in my life that are bare and silent. They are the open spaces where my busy days had their light and air. -Stary Birds.

我的生命中，有荒芜之地，寂静之岭，这都是我忙碌生活中汲取光与空气的开阔空间。——《飞鸟集》。

youdao

There are tracts in my life that are bare and silent. they are the open Spaces where my busy days had their light and air.

在我一生中，有空而沉寂的地段；它们是我忙碌的日子得到阳光与空气的空旷之地。

youdao

"There has been a shift in the idea of open spaces, " says Levolor's trend expert Jennifer Abernathy.

WSJ: Airy, Sleek��And Really Loud��Home

However, the Open Spaces Society (OSS) said there had been no need to make the decision this early as the zoo's current licence ran until November next year.

BBC: View of the Downs in Bristol

Though it has been seven days since anyone was pulled alive from the rubble, Angeli, Steelman and the other underground rescue workers are saying there are enough open spaces, with food and water, for people to survive.

CNN: workers