Found from http://www.prweb.com/releases/2007/7/prweb539766.htm
"According to exhaustive research done by Vivek Wadhwa, executive-in-residence at Duke University, if highly skilled immigrants in the U.S. don't have a chance to stay here permanently, would-be entrepreneurs take their skills back to their home countries--where they compete with U.S. companies instead of founding them."
看来哪个国家的人思维都一样.