17. Passengers carry documents on behalf of a company in return for a discounted, or free (though rarely), round trip.
携带公司证明文件的乘客可以换取折扣或者免费（虽然很罕见）的往返机票。
来自互联网
18. These heterogeneous batch updates enable all associated tables to be updated in one network round trip to the server.
这些异构批处理更新允许在到服务器的一次网络行程中更新所有相关联的表。
来自互联网
19. No roundtripping: there's no "round trip" support for iterative model changes, because the generated code is static.
不能往返：对于模型反复进行的更改不支持 “往返” 操作，这是因为所生成的代码是静态的。
来自互联网
20. The "roundtrip" approach to use case transactions shows its value in the case of estimating the complexity of user interfaces.
用例事务的“环形路线”方法，在估算用户界面复杂性方面显示出其价值。
来自互联网
21. A round-trip conversion between two CCSIDs ensures that all characters making the "roundtrip" arrive as they were originally, even if the receiving CCSID does not support a given character.
22. Mexicana Airlines has announced cheaper round-trip tickets between Los Angeles and cities it serves in Mexico.
墨西哥航空公司已宣布降价出售从洛杉矶到该公司设有航班的墨西哥各城市的往返机票。
《柯林斯英汉双解大词典》
23. The tour is a round-trip of the town and there are a total of 4 stops where passengers can get on and off the bus.
这趟旅行是一个小镇的往返旅程，总共有4站，乘客可以在那里上下车。
来自互联网
24. If you can fly on a Tuesday or Wednesday, and buy your tickets at least 21 days in advance, I suggest you book a round-trip excursion flight.
如果你能在周二或周三坐飞机，并且能至少提前21天购票，我建议你预订往返短途航班。
来自互联网
25. In a chaotic two days of flying, the rescue team flew 3,000 miles round-trip from the British station Rothera to pick up the workers in the U.S. Amundsen-Scott Station at the South Pole.
27. Trip includes round-trip air tickets, hotel stay for two nights, and tours of the National Air and Space Museum and the office of National Geographic World.
行程包括往返机票、两晚的酒店住宿、国家航空航天博物馆和国家地理世界办公室之旅。
来自互联网
28. Otherwise, any information gathered in one round-trip transaction is dumped at each "Close".
否则，在一个事务回合中收集的信息在每次“关闭”时都要被转储。
来自互联网
29. Otherwise, any information gathered in one round-trip transaction is dumped at each "Close".
