'I go slow, ring my little bell and stop sometimes to say' hi 'to pedestrians,' she says.
“我骑得很慢，经常按车铃，有时停下来跟行走的路人打招呼。”罗德里格兹说道。
As in real life, the traffic lights sometimes turn from green to yellow as you approach them, forcing a quick go-or-stop decision.
跟现实生活一样，你靠近交通信号灯时，它有时会从绿灯变黄灯，让你必须快速决定穿过或停下。
Then, as more people are added, it begins to show stop-and-go patterns and sometimes extreme crushing.
然后，随着人数增多，群体开始显示时停时走的模式，有时运动极其分散。
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