cooperation and exchange的用法和樣例：
例句
- We sincerely welcome friends from all over the world for education cooperation and exchange.
真誠歡迎海內外朋友與我們合作交流。 - One hallmark of the new research is active cooperation between professionals and amateurs from many backgrounds and cultures.
新研究的特點(diǎn)是來(lái)自許多背景和文化的專(zhuān)業(yè)人員與業(yè)余愛(ài)好者之間的積極合作交流。
