对于个人和社会上的数百万人们而言，失明和视力障碍一个主要的公共健康问题，它造成了大批人力和经济丧失。
Blindness and vision impairment are major public health problems causing a substantial human and economic toll on individuals and society including of life for millions of people.
为什么英国经济可能丧失生产能力？ 这一点很好解释。
There are good reasons why Britain’s economy may have lost capacity.
为什么英国经济可能丧失生产能力？这一点很好解释。
There are good reasons why Britain's economy may have lost capacity.
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