__________ earn a profit by a bid-ask spread on currencies they buy and sell. __________ on the other hand, earn a profit by bringing together buyers and sellers of foreign exchanges and earning a commission on each sale and purchase.
【简答题】A: Morning! What can I do for you? B: We’d like to make a trip for a weekend holiday, please. A: There are many travel paths. 1 B: We’d like to choose Jinggang Mountains. A: It’s really worth visit...