旅游: tour; tourism 短语和例子发展与管理旅游事业 develop and supervise tourism; 环球旅游 a round-the-world tour; 有些国家靠旅游业赚取大量外汇。 some countries obtain large sums of foreign exchange from tourism. 他们正在西班牙旅游。 they
交流: 1.(彼此把自己有的供给对方) exchange; interflow; interchange 短语和例子交流经验 exchange experience; draw on each other's experience; 交流计划 exchange programme; 城乡物资交流 flow of goods and materials between city an