名词
中文翻译：初级产品
同义词：
['primary goods', 'primary materials']
例句：
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1.The primary products of the region are agriculture and forestry.
该地区的初级产品是农业和林业。
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2.Primary products are often more expensive than their processed counterparts.
初级产品通常比它们的加工产品更贵。
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3.The primary products of this region are cotton and rice.
这个地区的初级产品是棉花和水稻。