The second that from the cost of trade that the medium is different from the market at the same time it connect with it .

 
  • 其次,從交易成本理論來(lái)看,媒介與市場(chǎng)是兩種雖有不同,但又可以互相替代的制度安排。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan