Did the shortage and high cost of labour change farming practice and push technology?
是劳动力的缺乏及其高成本改变了农业耕作方式并推动了技术革新吗？
Asymmetry of information and cost are the core factors which push it from non_existence to existence.
信息不对称和成本是促使它从无到有的核心因素。
Asymmetry of information and cost are the core factors which push it from non_exist...
信息不对称和成本是促使它从无到有的核心因素。
Asymmetry of information and cost are the core factors which push it from non_exist...
信息不对称和成本是促使它从无到有的核心因素。
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