However, due to a considerable variation in land area, 1 population density and climatic, geological and topographical conditions, the extent of forest cover differs greatly among the island states.

然而，由于各岛屿国家的陆地面积、1人口密度、气候、地理地形条件等有很大差异，它们的森林覆盖程度也有很大差别。

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The bank's report says "contributory pension plans" cover very few people due to the nature of many jobs and livelihoods.

非洲开发银行的报告说，由于许多工作本身的性质，只有很少人受惠于退休金计划。

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Many other Americans who are willing and able to pay are still denied insurance due to previous illnesses or conditions that insurance companies decide are too risky or expensive to cover.

另外很多愿意并有能力支付保险的美国人却被保险公司剥夺了保险的权力，因为保险公司认定这些人以前的疾病或状况对保险公司而言太具冒险性或代价不菲。

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Addressing a misconception that Australia is a mature mineral exploration jurisdiction primarily due to cover, T.

FORBES: PDAC: Australia Takes Steps To Maximize Potential Mineral Deposits

The central government has been trying to help, introducing a rural pension scheme that is due to cover the whole of the countryside by 2020.

ECONOMIST: The consequences of an ageing population

With thousands of foreign journalists due to cover the Olympics in August, officials would have feared that any outbreak of unrest close to that date would be difficult to control because of intense media scrutiny.

ECONOMIST: Fifty years after the 1959 uprising, Tibet remains restive