restrictive trade practice      
noun [ C ]  business specialized uk/rɪˌstrɪk.tɪv ˈtreɪd ˌpræk.tɪs/ us/rɪˌstrɪk.tɪv ˈtreɪd ˌpræk.tɪs/
 (公司间的)限制竞争协议
a business agreement between companies which controls prices or the areas in which goods are sold, preventing fair competition from other companies