We need to promote an open exchange of ideas and information.
我们需要促进思想和信息的公开交流。
We'll take your car in part exchange.
我们收下你的旧汽车，以抵付购买新车的部分款额。
Our school does an exchange with a school in France.
我们学校与法国的.一所学校进行交流。
Would you like my old TV in exchange for this camera?
用我的旧电视机换这架照相机，你愿意吗？
Cultural exchanges are a way of building bridges between countries.
文化交流是各国之间建立联系的纽带。