安徽财经大学Japan is more efficient in the production of rice, and the United States is more efficient in the production of oranges. In the production of rice, Japan is said to have a(n) comparative advantage. ( )A
Bellman can do the check in at the concierge department.( )答案:错When we offer room cleaning service to a guest, we may say: Sorry to disturb you, sir. Would you like laundry serv