purposes是什么意思？

Governor's Island is a national historic landmark district long used for military purposes.

However, as Amy Edmondson of Harvard points out, organisations increasingly use "team" as a verb rather than a noun: they form teams for specific purposes and then quickly disband them.

In the early 1990s, the World wide Web was developed, in large part, for commercial purposes.

Former George Washington University president Stephen Trachtenberg estimates that a typical college uses its facilities for academic purposes a little more than half the calendar year.

A new study from michigan State University, though, argues that all students—including high achievers—see a decline in performance when they browse the Internet during class for non-academic purposes.

But there is also a place in a young life for noble purposes that include a dedication to the broader society, a love of country and an aspiration to make their own leadership contributions.