Research on legal regulation of cross border data transfer in digital trade Research on the regulation of cross-border electricity trade Research on legal issues of cross-border transaction of digital currency 并列题名:Research on the regulation of cross-border electricity trade Research on legal regulation of civil unmanned aerial vehicle Research on legal issues of cross-border data flows Research on legal regulation of crowdfunding securities Research on legal regulation of speech on the internet Research on legal regulation of environmental risks Research on legal regulation of the tax planning