n.贸易；商业
Our country has been trying to broaden its commerce with other nations. 我国一直在努力扩大与其他国家的贸易往来。
In USA, NewYork City is the chief seat of commerce. 在美国,纽约是主要的商业中心。
Banks are the nerves of commerce. 银行是商业的中枢。
n.电子商务
