新的火车票预订引擎，是在进行了一次深入的实用性测试和与客户互动的基础上开发的。
The new rail booking engine has been developed on the basis of an extensive usability test and interactions with customers.
印度的客户将首次能够预订往返程的火车票，我们相信这个功能是与众不同的。
This is the first time in India that customers can book return trips for train tickets, which we believe is a key differentiator in terms of features.
A我得预订去上海的火车票。
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