顿国
顿国-
另一方面还在于，罗尔斯顿本人与我国学术界保持着良好的交往和合作关系，曾经到我国来讲过学并做过实际的旷野考察，也曾经在国外接待过中国的学者。
On the other hand , Rolston himself maintains a good interactive and cooperative relationship with Chinese scholars . He once went to China to give lectures and do field research . And he received Chinese scholars in his country .