1 stable rate of return : usually bond has fix or float coupon rate and its principal and interest payments are paid back by the issuers in a certain period . outright purchase investors could obtain fixed income and the return is higher than bank deposit rate 一投资报酬率稳定:债票上载有固定或浮动利率,按期偿还本金或利息,投资人有确定收入,且往往高于银行定存,利率下跌时更可享有资本利得而转换公司债尚得以分享股票上涨之利益。