因此将无用橘皮转变为有用的物质，使废弃的天然有机化学资源得到合理利用，可以为国家创造巨大的经济财富。
So it can create a lot of wealth to change the useless pericarp into useful substances, therefore, the discarded natural chemical resources can be used reasonably.
缺少腐殖质和过度淋滤使这种土壤对农业几乎无用。
The lack of humus and the excessive leaching make this soil almost useless for agricultural purpose.
痛苦分为两种，一种使你变得坚强，另一种则毫无用处，只会徒增折磨！
There are two kinds of pain. The sort of pain that makes you strong or useless pain…The sort of pain that's only suffering.
这个历史悠久的德国贵族家族想卖掉他们的城堡，因为高昂的冬季取暖费用使它成了昂贵而无用的财产。
EXAMPLE: The old aristocratic German family wanted to sell their castle because it was a whit elephant that cost a fortune to heat in the winter.
黄金般的机会对懒惰一点无用，而勤奋使最普通的机会变得如黄金般贵重。
Golden opportunities are nothing to laziness, but industry makes the commonest chances golden.
高倍镜下，系统性硬化症病人真皮中胶原纤维增加使皮肤增厚。免疫荧光检测对硬皮病是无用的。注意：近年来我们往往用系统性硬化症取代名词硬皮病。
At high magnification, the dermis is expanded by dense collagenous fibrosis in a patient with systemic sclerosis. Immunofluorescence is not helpful with scleroderma.
高倍镜下，系统性硬化症病人真皮中胶原纤维增加使皮肤增厚。免疫荧光检测对硬皮病是无用的。注意：近年来我们往往用系统性硬化症取代名词硬皮病。
At high magnification, the dermis is expanded by dense collagenous fibrosis in a patient with systemic sclerosis. Immunofluorescence is not helpful with scleroderma.
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