The interaction of the two groups produced many good ideas.两个组的相互交流产生了许多好主意。
There should be a lot more interaction between the social services and local doctors.社会服务机构和当地医生应该加强合作。
Most people enjoy a drink either for their own sake or for social interactions.大部分人喜欢喝一杯,不是为了自己,就是为了社会交际。