Fourthly, it is the process to meet the social demands.
四是面向社会职业需求、内外结合的有机过程。
That feature may have evolved to help them meet the social demands of living in a pack.
这个特点可以更好的帮助它们满足需求,它们甚至可以躲在小包裹里。
As the converter of resources, industry structure transforms kinds of factors input into goods and services to meet the social needs.
产业结构作为资源的转换器,是把各种投入要素转化为产品和劳务以满足社会需求。
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