Money-market funds take excess cash from investors and use it to purchase short-term IOUs from businesses, banks, and other financial institutions. They mimic bank accounts by allowing investors to write checks and promise that their investment’s value will not fall.
货币市场基金从投资者处吸收多余的资金来从企业，银行和其他金融机构购买短期金融要求权（IOU）。他们通过允许投资者写支票来模仿银行账户，并承诺后者的投资价值不会下跌。