2. Foreign exchange is an agreement transaction, not a matchmaking transaction, and the spot can only be delivered after an agreement is reached, so there are several kinds of quotations we see: inquiry (I buy/sell a certain currency at this price, does anyone answer), quotation (I now quote the price of buying/selling a certain currency, is anyone willing to trade with me at this price), and matchmaking price (both parties are brokered by brokers, and brokers quote the market price).