A carbon price or tax, which raises the cost of emitting carbon dioxide while leaving it up to the private sector to pick technologies, is the better approach.

调整碳排放价格或是征税会是一个更好的方法，这样提高了排放二氧化碳的成本，同时也使得私人企业有自由去选择采用何种技术。

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Opportunity cost measurement is an effective approach to reasonably and scientifically reflect the fair price of agricultural products.

基于机会成本的价格测算，是合理和科学反映农产品真实价格的有效途径。

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The cost approach is one of the basic methods for land price appraisement, which has been well acknowledged at home and abroad.

成本逼近法是国际上公认的土地价格评估的基本方法之一。

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But the new results indicate that such a cost-saving approach may come at a price in lives.

FORBES: Cost Of Saving A Life Gets Higher

Time tested economic theory tells us that in a free, unfettered market not constrained by onerous barriers to entry, the long term price of a commodity will approach its marginal cost of production.

FORBES: Gold Sets Up As The Next Great Short