由于钻石储量的耗竭，博茨瓦纳面临实现经济多元化的艰巨挑战。

In view of the depletion of diamond reserves, Botswana faces a tremendous challenge to diversify its economy.

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第一章：可耗竭性资源经济增长的理论综述。

Chapter one is about the general theory of economic growth with exhaustible resources.

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伴随着人们经济活动的迅速扩展，地区性的资源耗竭和环境问题日益显现。

With the rapid expansion of economic activities, people are facing regional resource depletion and environmental problems.

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养分耗竭使利润循环停滞，阻碍个人、省份和国家经济以及粮食生产的增长(图2)。

Resource depletion helps stall the profit cycle and prevent growth in the personal, provincial and national economies, as well as in food production (Figure 2).

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养分耗竭使利润循环停滞，阻碍个人、省份和国家经济以及粮食生产的增长(图2)。

Resource depletion helps stall the profit cycle and prevent growth in the personal, provincial and national economies, as well as in food production (Figure 2).

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