Covid-19 has brought a lot of challenges and difficulties to the world,as well as changes to many industries.In the exhibition industry,virtual trade shows have been booming due to Covid-19.However,with various changes in the world after the outbreak of Covid-19,the situation of the epidemic changes,and the further development of science and technology,Virtual trade shows meet new opportunities and new challenges.The severity of the epidemic in some periods and in some regions did provide a certain impetus for virtual trade shows,but the epidemic tends to be less serious in general,and there is a possibility that the impetus is gradually weakening to some extent.The further development of technology has promoted the upgrading and maturity of virtual trade show,but the immaturity of technology and the side effects discovered after the application of technology have also become the obstacles to the development of virtual trade show.
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