Connotations of sport obligation
On the basis of reviewing the concepts of obligation and legal obligation,the author put forward the following opinions: sport obligation refers to the restraints specified by sport laws on the behaviors of feasance and nonfeasance on the subjects of sport legal relations;its essence is embodied but only in the "shalls" in terms of "just" requirements-the core value of sport laws,but also in the "shalls" in terms of legal requirements;its constituent elements mainly include sports obligation subjects,and sports behaviors in terms of "shall".In the mean time,the author concluded via analysis that sport laws which specify the sport obligations of different sport subjects include the national sports law,intrinsic sport law,international sports law,and sports regulations promulgated by sports industrial associations and sport authorities,among which the intrinsic sport law has a direct binding force on sport behaviors,while the national sport law is the last assurance for ensuring the realization of sport obligations.