But when they cross a busy road by using a zebra crossing, the traffic is held up.
但是当他们利用斑马线通过繁华的马路时，交通就被阻碍了。
At a zebra crossing: Is there any traffic? No. Cross the road. Walk quickly!
人行横道：在那里任何交通？不，十字路口。快点走！
Take the zebra crossing, pedestrian overpass or underpass to cross the road.
过马路要走斑马线、人行天桥或地下通道！
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