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.