资本成本是投资者要求的必要报酬率，是现代财务理论中极其重要的一个概念。
Cost of capital is the investor's required rate of return, it's a very important concept in the modern financial theory.
净现值法是项目投资决策的常用方法之一，它是经济决策中的一动态指标，需要一个重要的输入变量即方案的必要报酬率。
It is a dynamic index in economic decision and requires an important input variable which is the necessary guerdon rate of project.
承诺做……，答应做……木材经营商看护好自己的森林财产至少还有利可图并且可能还有必要的维护资金，而报酬低、装备差的林业官员却一无所有。
Timber concessionaires at least have an incentive (and probably the wherewithal) to look after their property, while ill-paid and ill-equipped forestry officials often have neither.
我没有任何思考的必要；假如我能够支付报酬，别人会接替我那份乏味的苦差事。
I do not have any need to think; if I can pay, others will take over the tedious job for me.
接近现代的例子包括，在根据项目开支给建筑师和工程师支付报酬时，后者会有意增加不必要的开支来加大自己的收入，最后导致项目成本过于高昂。
More modern examples include paying architects and engineers based on project costs, which leads to excessively costly projects as they overspend unnecessarily to make income.
然后，文章从道德、权利义务对等、经济学等角度加以分析，阐述了我国确立拾得遗失物报酬请求权的可行性和必要性。
Then , this paper analyze on the aspects of morals , rights, economics and so on , expounds the feasibility and necessity of establishing reward request right of picking up the lost article.
组织的社会交换理论把员工为企业工作和企业为员工提供必要的报酬和条件视为一种交换的关系。
The staff working for the company and the company providing the staff necessary pay and conditions have been seemed as a kind of exchange relation by the social exchange Theory of organization.
如果有必要的话，我甚至会不拿报酬在拉什莫尔山工作。
I would work at Mount Rushmore even without pay, if necessary.
第三条案件受理费用于给付仲裁员报酬、维持仲裁委员会正常运转的必要开支。
Article 3 the fees for accepting a case shall be used to pay the arbitrators and maintain the necessary expenditures for normal operation of the arbitration commission.
第四百二十七条居间人未促成合同成立的，不得要求支付报酬，但可以要求委托人支付从事居间活动支出的必要费用。
Where the broker facilitated the formation of the proposed contract, the brokerage expenses shall be borne by itself.
第四百二十七条居间人未促成合同成立的，不得要求支付报酬，但可以要求委托人支付从事居间活动支出的必要费用。
Where the broker facilitated the formation of the proposed contract, the brokerage expenses shall be borne by itself.
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