什么是外汇储备?外汇储备,即一国政府所持有的国际储备资产中的外汇部分,也就是一国政府保有的以外币表示的债权。其主要用途是清偿国际收支逆差和干预外汇市场,以维持本国货币的汇率。一般包括政府在国外的短期存款或其他可以在国外兑现的支付手段,如外国有价证券、外国银行的支票、期票、汇票等。什么是货币供应量? What is a foreign exchange reserve? Foreign exchange reserves, the foreign exchange component of an international reserve asset held by a government, that is, claims held in foreign currencies by a government. Its main purpose is to settle the balance of payments deficit and intervene in the foreign exchange market in order to maintain the exchange rate of its own currency. It generally includes government short-term deposits abroad or other payment instruments that can be honored abroad, such as foreign securities, checks by foreign banks, promissory notes and money orders. What is the money supply?