social security contribution 社会保险缴款 security n.安全；保证；证券；债券；抵押；防护措施 例句 用作名词 (n.) I'll undertake for your security. 我将保证你的安全。 Our own actions are our security. 我们的行为是自己的保证。 He traded in securities and became rich. 他做证券交易发了财。 The value of a derivative is based on another security. 金融衍生工具的价值以另一种债券为基准。 He has given his house as security for the loan. 他以抵押自己的房屋作为贷款的担保。 A life insurance policy may serve as security for a loan. 人寿保险可作贷款的抵押。 We need greater security in car parks. 我们需要加强停车场的安全措施.