目前对人的生命经济价值的估算方法基本上可以分为两大类：人力资本法和支付意愿法。

At present, there exist two approaches to the economic valuation of life: human capital and willingness to pay (WTP).

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生态系统功能是地球生命系统的支持系统，为人类创造赖以生存的生态环境条件，有巨大的直接与间接经济价值。

The biosphere of the Earth is essential to human survival and development. The services of ecosystems are critical to the functioning of the Earth's life-support system.

youdao

生态系统功能是地球生命系统的支持系统，为人类创造赖以生存的生态环境条件，有巨大的直接与间接经济价值。

The biosphere of the Earth is essential to human survival and development. The services of ecosystems are critical to the functioning of the Earth's life-support system.

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