A type of savings account available in the United States that provides the account holder with specific tax advantages. Set up by an employer for an employee,···

A mutual fund or other pooled investment that may change its investment strategy as it sees fit, as opposed to sticking to one particular investment vehicle, c···

adj. 柔韧的;柔顺的···

An option, generally written by a clearing house, whose expiration date, strike price, and exercising style can be modified. A flex option provides flexibility···

弹性汇率制度···