bus-in-a-box 盒中总线
The only connection you can make with this device is a slave connection on the OPB; click in the leftmost white bus square to establish this connection (a lowercase 's' will appear in the box).
用这个设备能实现的唯一连接就是在OPB上的从连接；请在最左侧的空总线框中单击，建立此连接(框内会出现一个小写的“s”)。
Perhaps it is a little thing, pick up the pen you drop, lift a heavy box for you or offer you a seat in the bus.
也许是一件小事，拿起你的笔，为你提一个沉重的箱子，或为你提供一个座位在公共汽车上。
Nowadays, on many buses passengers do not have to buy tickets from a bus conductor. They put their money in a fare box or use a public transportation card instead.
现今，很多公交不需要通过售票员购票，乘客将钱放入投币箱中或者使用公交卡。
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