Improving communications brought more trade and contract, but also more friction between social groups.
2
教师和学生之间的交流会对学生在学校的表现产生很大的影响。
The interactions between teachers and students can have a great influence on students' performance at school.
3
这样的组织会做很多训练交流会,内容包括媒体,手工艺品营销技巧,手工艺品集会,艺术节,电视展览等等。
Such an organization does a lot in training workshops in special media, crafts marketing techniques, crafts fairs and sales, festivals, TV appearances and demonstrations.