With one person's scholarship, you probably will live a life to share an apartment with another family, buy a ten years old used car, and go to the cheapest restaurant once a while.
It is true that there are lots of opportunities in US, but so does in China. If your english is excellent, you have a very outgoing personality and very smart, probably it is worth a try. Otherwise, stay where you are.
And getting a professionship position is very tough in US, unless you graduate from top schools.