What's "serve function" ?
Could you please offer some examples ?
Thank you !

Question

What's "serve function" ? 
Could you please offer some examples ?
Thank you !

Answer

I think is a specialized vocabulary,Where did your see it?

Answer

serve function = the function of a thing and what it serves for

This cup serves as a tea-cup. 
The cup's serve function is for having tea.

Sounds like sales jargon. if you're selling something, it needs a serve function - what it is for - otherwise no one will buy it.

Answer

serve function=  to serve a purpose, role, or function; Example:"The tree stump serves as a table"; "The female students served as a control group"; "This table would serve very well"; "His freedom served him well".
http://www.answers.com/topic/serve-function

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