But in this pattern efficiency and social welfare will be scarified, so it is not a very satisfactory transaction pattern.

 
  • 但這卻是以經(jīng)濟效率和社會(huì )福利損失為代價(jià)。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan