The Substitution and Complementary Relationship between Yunnan-Vietnam Railway and Traditional Horse Caravan Post Transport in Modern Times(1889-1945)
In foreign trade,Yunnan-vietnam railway's powerful transportation capacity,low freight price and great impetus to the economy make it seem inevitable to replace the traditional horse caravan post transport.However,in the export and transfer of important commodities,Yunnan-vietnam railway,which is easily affected by natural and human factors,needs to be remedied by the traditional horse caravan post transport.Due to their respective characteristics,the two have assumed different responsibilities and jointly promoted the growth of Yunnan's foreign trade in modern times.It can be seen that there is substitution and complementarity between Yunnan-vietnam railway and traditional horse caravan post transport.The relationship between the two is a special situation caused by the times,a transitional period for ancient China to accept advanced technology,and a transition period for the labor force engaged in human and horse transportation.The relationship between the two also reflects that it is inevitable for the emergence of new industries to eliminate old industries,but there is a period of interaction in the process of elimination,and the old industries can still be revitalized in different ways after the emergence of new industries.
Modem timesYunnan-vietnam railwayhorse caravan post transportsubstitutionComplementaryindustry
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