[] () different ways of measuring the amount of money being used or that is available in an economy (the money supply) 衡量货币供应量的不同方式◆In the UK, M0 includes all notes and coins in circulation plus banks' balances with the central bank. 在英国，M0 包括流通中所有的纸币和硬币外加各银行在中央银行的存款余额。➡money supply