司机一边告诉我不用戴安全带，一边轰着油门将车驶入车流。
"You don't need a seatbelt," said the driver, and screeched into traffic.
按照他们的安排，每个交叉路口设置两个感应器：一个测量驶入车流量，另外一个测量驶出车流量。
Their arrangement puts two sensors at each intersection: One measures incoming flow and one measures outgoing flow.
如果要驶入的车道车流量很大，你应当在获得安全距离换车道前就打开转向灯。
If traffic in the lane you are moving into is heavy, you may turn on your signal before there is enough space to change lanes.
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