Because the grid is infinite, the origin is unimportant, and the coordinates will be Numbers between 0 and 1.

由于网格无限大，坐标原点就无所谓了，所给的坐标值都会介于0到1之间。

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Queries on the trips, trips can be queried by the grid trips information, including: number, origin, destination, departure date, out of time, fares.

对车次的查询，可以按照发车车次进行查询；车次信息包括：车号、出发地、目的地、发车日期、开出时刻、票价。

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