名词
中文翻译：谷物交换
同义词：
['exchange of grains', 'grain trade', 'grain market']
例句：
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1. The government is promoting a grain exchange program to help farmers sell their crops more easily.
政府正在推行一个粮食交易计划，以帮助农民更容易地销售他们的作物。
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2.The grain exchange is the place where farmers come to buy and sell their products.
粮食交易所是农民来购买和出售他们产品的地方。
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3. The grain exchange is an important platform for international trade in agricultural products.
粮食交易所是国际农产品贸易的重要平台。