2. Cash refers to free transactions in the international financial market, also known as "free foreign exchange". Foreign exchange widely used in international settlement and payment and freely convertible into other countries' currencies. The countries that issue these currencies have loose foreign exchange control and control, and some have even basically abolished foreign exchange control, while some countries have strict foreign exchange control, so their currencies cannot be freely converted into internationally used foreign currencies.
In China, our functional currency is RMB. When we need to pay foreign currency after a foreign currency transaction, converting RMB into foreign currency for payment is called purchasing foreign exchange. Buying foreign exchange is a transfer transaction, that is, using the local currency in the account to exchange foreign currency, which is equivalent to foreign exchange trading. The converted foreign currency is still in the account or bank card, and no cash has been withdrawn. However, after 20 14, China opened the policy of foreign currency exchange, and individuals and institutions that need to purchase foreign exchange can buy foreign currency through regular foreign currency exchange companies and get cash. Therefore, purchasing foreign exchange is no longer a simple banking business.