The common cause can be summed up into these points: natural endowment of resources, structural reform and fact6r of favorable policies.

其共性成因可以归结为资源禀赋成因、体制改革成因和政策倾斜成因三大因素。

youdao

The idea of building up an endowment to replace shrinking natural resources did not exist.

建立基金以替代日益减少的自然资源，这样的想法还不存在。

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Later, the theory of factor endowment has been established, putting a nation's natural resources as a whole into duly consideration in foreign trade studies.

后来又出现了要素禀赋理论，将一个国家整体的资源优势纳入到国际贸易研究之中。

youdao

Outside of oil and gas projects and a few specific infrastructure projects (ports like Jebel Ali and airports like Dubai), far less real economic development has happened in the oil-rich parts of the Arab world than would be expected based on their great endowment of human and natural resources.

FORBES: Why Have The Islamic Countries Failed To Develop Even With Resources Like Oil, While Countries With No Resources Like Switzerland Have Flourished?