However, this passage will help you to think like an economist, closely considering the opportunity cost of each of your decisions.

然而，本文将帮助你像经济学家一样思考，仔细考虑你的每个决策的机会成本。

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Because they usually arrived with no ready contacts and typically could not speak English, the contract period for full cost of passage was sometimes longer than for indentures, up to seven years.

但通常他们抵达时没有事先找好的联系人且特点是不会讲英语，因而所签订的支付全额运费的合同期限要比仆役契约期限长，高达七年。

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Secondly, on the basis of OD investigation, it applies the route cost-time model to analyze the shunt influence of the passenger flow caused by the land passage after it is completed.

在OD调查的基础上，运用过江路径成本-时间分析法研究了陆路通道建成后对陆岛水上客流量的分流影响；

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Business leaders urged voters to choose a weaker plan put forward by the government that would have given shareholders a nonbinding say on corporate pay, and warned that passage of the Minder Initiative would cost the country jobs.

WSJ: Swiss Back Executive-Pay Controls

We have worked hard since the passage of the Affordable Care Act in 2010 to lower health care cost growth.

FORBES: Growth In Health Care Costs Slowest In 50 Years- But Is It Good News?

From an Internet retailers perspective the passage of the Marketplace Fairness Act would not only add layers of administration and cost to comply, but it could cut into their competitiveness with small businesses and brick-and-mortar retailers.

FORBES: Obama and the Senate Target The Internet Shopping Gravy Train For Amazon, eBay And Others