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Pay money to do sth. Spend与cost的区别: 1、spend的主语必须是“人”,宾语可以是钱,精力,时间等,其后用on (for)+名词或用in (可省略)+ 动名词 形式,不接 不定式。 如: He spent a lot of money for his … Cost 主语是物。 sth costs sb. 有成本效益的,划算的; 合算的(等于cost-efficient) 派生词:cost-effectively cost-effectiveness 双语例句1. 花费;使付出;使做不愉快的事;估算成本 一、读音:英 [kɒst],美 [kɔːst] 二、例句: we have to sum up the costs of production. 1、cost 复数:costs ;过去式:cost;过去分词:cost; 现在分词:costing;第三人称单数:costs。 经典例句: (1)companies are moving jobs to towns with a lower cost of living. · cost,spend,take用法区别 这三个均可表示“花费”,但在用法和搭配等有很大区别。现分述如下: 一、从所涉及的主语来看 cost的主语通常是事或物(包括 形式主语 it),不能 … · spend time /money on sth. · cost-effective 英 [kɒst ɪfektɪv] 美 [ˌkɔstɪˈfɛktɪv] adj. · cost-effective是什么意思cost-effective的意思是性价比高。cost-effective是一个经济术语,常用于描述一种产品或服务的质量与价格之间的关系。它表示某一产品、服务或投资 … · overhead cost的明确overhead cost是指企业运营中不可避免的日常费用,但不直接与生产产品或提供服务相关。 详细解释来说,overhead cost通常包括租金、水电费、行政人 … Money take it takes sb money. 费用;成本;代价; [律]诉讼费用 v. Cost造句: 1、it cost the better part of his pay. 这件东西花了他工资的一大半。 2、the restoration to the castle took a year and cost a lot of money. 修复城堡花了一年时间和大量的钱 … Sec、csc、cot的三角函数公式是secx=1/ (cosx)、cscx=1/ (sinx)、cotx=1/ (tanx)= (cosx)/ (sinx)。三角函数是基本初等函数之一,是以角度为自变量,角度对应任意角终边与单位圆交点坐标或 …