The United States generally has a comparative advantage in the development of technology because it has:
A、largeamountsofnaturalresources.;
B、adisproportionateshareoftheworld'sbestresearchuniversities.;
C、patentlaws,whichnoothercountryhas.;
D、thegreatestneedfornewtechnology.
发布时间：2024-09-16 19:02:56
