He has heard that "something on mobile phones" can tell him the current market price of his wheat.
他听说“手机上的某种东西”能告诉他当前小麦的市场价格。
The price of steel and iron products and materials undulates fiercely on the current market.
当今的市场，钢铁产品和原材料的价格上下波动剧烈。
The price of steel and iron products and materials undulates fiercely on the current market.
当今的市场，钢铁产品和原材料的价格上下波动剧烈。
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