zero
【词性】：n． 【释义】： 零点，零度，零基 ‖zero-balance account零余额账户zero-base budget零基预算zero-base budgeting零基预算编制法zero bracket amount免征额，(起征点)免税额zero coupon零息票，无息有价证券zero coupon bond无息债券zero-coupon securities零息证券zero exponent零指数zero-investment portfolio零投资组合zero-plus tick价格零上升zero rate免税，零税率zero-rate and low-rate mortgage零利率和低利率抵押贷款zero uptake价格零上升zero valency零价zerobalance adj．零数余额的 |