Active exchange的用法和樣例：
例句
- Since the Chinese reform CNO enhanced her international arts exchange.
改革開(kāi)放以來(lái)，劇院國際藝術(shù)交流活動(dòng)得到廣泛的拓展。 - ZHANG, Junsheng.Moreover, in Shanghai, delegates met our President emerita, Professor Ruth HAYHOE.All added colors to the exchange.
在上海訪(fǎng)問(wèn)期間，更巧遇學(xué)院榮譽(yù)校長(cháng)許美德教授，令是次交流活動(dòng)加添色彩。
