practical purpose

基本解释

And although the annual show is beautiful to behold, it also serves a very practical purpose.
尽管每年所看到的秋天都是同样的美丽，它们都是为一个实际目的。
The only practical purpose I can imagine for the bail-out is to slow the decline of GM to create enough time for its workers, suppliers, dealers and communities to adjust to its eventual demise.
我能想到的唯一现实的纾困目的，是减缓通用汽车的衰落速度，争取足够多的时间，让其员工、供应商、经销商以及社区适应其最终的灭亡。
w31963.s21.myverydz.com
The design has an exciting, practical purpose.
这个设计有令人兴奋、实用的目的。

The purposeful is the purpose of the object in practical terms.
目的性“是从实际应用角度来说的。
耶鲁公开课 - 文学理论导论课程节选
Content is a function -or let me say practical language, the purpose, in other words, of communicating facts or of communicating at all, which we associate with practical language -is a function of poetic language.
他们认为，内容即是功能,实用语言的目的，就是交流，我们总是把交流和实用语言联系,但其实它也是诗歌语言的功能。
耶鲁公开课 - 文学理论导论课程节选

"I know they're trying to get rid of sites with no practical purpose, " he says.
FORBES: Internet
Sure, the roof over our heads serves a practical purpose (anyone who has ever slept outdoors can attest to that).
FORBES: MeXvi: Enabling Families To Have A Home