The results show that the resource insects for industrial material are abundant in Hunan with higher value for industrial use, but their exploitation and use are not enough.

结果表明，湖南工业原料资源昆虫较丰富，利用价值大，但开发力度不够。

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Regardless of their environmental benefits, alternative energy supplies have not yet proved cheap or abundant enough to wean the rich countries from their oil addiction.

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