1, all are ok. Moreover, this major is a very profitable major in international trade in law firms or companies. And the law? One direction of study is probably another direction of work, which has little influence. 2. If you mean undergraduate course, the undergraduate course of law in China is basically general education. Even if the professional name is International Commercial Law, it is not much different from the courses of law schools in other schools, because the basic courses of several major departments of law are enough for undergraduates to digest, while international law, commercial law, international commercial law and other majors need basic legal foundations such as civil law to learn. Generally speaking, such courses should be offered in senior grades. Therefore, the undergraduate major of international commercial law, in fact, the specialized courses will not be much more than the general law school. If you want to pursue further studies in this direction, you must continue to study in graduate school or go abroad. If you really want to study this major, take a double major in economics.