来到美国二十年，专业好坏很明显. 选好方向走对路, 各大城市随你住.

Yes, it is for sure that there is a big difference of what skills will you chose as your tool to earn paycheck for your family.
Do make the right choice when you have a chance, so you will not regret later on.
Enjoy what you chose and do it well!
Thanks!