A third area is building data systems that not only measure student success, but also inform teachers how to improve.

VOA: special.2009.07.30

We've used these effectively to build our electronic systems and our blogs and all of these companies that we're building.

我们会有效地使用它们,来建立一个电子系统,建立我们的博客和我们建立的,所有的公司。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

We are designing systems, building engineering systems, making materials choices.

我们在设计系统，构建工程的系统，提供更多的材料。

麻省理工公开课 - 固态化学导论课程节选

Workers will also add energy efficient lights and improved building control systems.

VOA: special.2009.05.22

Other people saying the treatment programs that have been scaled-up over the last number of years have been the best investments in building health systems, while also dealing with the AIDS epidemic, One of the major announcements expected at the 18th International AIDS conference is about a microbicide gel called CAPRISA 004.

VOA: standard.2010.07.15