[] the act or activity of travelling 旅行；旅游；游历◆The post involves a considerable amount of foreign travel. 这一职位要求经常到国外出差。◆Many companies are now cutting their travel expenses. 许多公司在削减差旅费。◆Remember to take out travel insurance before leaving on your trip. 出行前别忘了购买旅游险。⨁air / car / rail travel 乘飞机／汽车／火车旅行⨁domestic / foreign / international / overseas travel 国内／国外／国际／海外旅行⨁business / corporate / leisure travel 商务旅行；休闲旅行⨁travel budgets / costs / expenses 旅行预算／成本／费用⨁the travel business / industry / market / sector 旅游业；旅游市场／部门⨁a travel company / firm / operator 旅行社