生物医药大词典
英文: Travel to Hotspring, Travel to Health!
中文: 温泉之旅，健康之旅！英文: Many different measures of impedance can be used, such as travel distance, travel time, or travel cost.
中文: 可以采用很多种不同的阻抗计算方法，比如，出行距离，出行时间，或出行成本。英文: BTG Business Travel has been aimed at providing long-term corporate business travel need. It has a whole solution for company travel service and travel cost analysis.
中文: 企业差旅服务，是神舟商务旅行针对企业客户的长期商旅需要而设置的业务板块。拥有从公司差旅服务及管理、差旅成本分析及差旅费用控制的一整套企业旅行解决方案。英文: Backcountry travel may involve travel over both trails and off-trail areas.
中文: 野外行进包括在小径上和小径以外通过。英文: 2 Give two advantages of air travel over rail travel for passengers.
中文: 请举2例说明，对乘客来说，航空旅行相比铁路旅行的优势是什么？