traffic-solution(singapore)

0:52 2 发言者 1 章次章次 19 分部分会议

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章章章章章章次第一章章第一章一章 1: what a number of things have been done to help solve traffic problems in Singapore. 51s · Speaker 1

what a number of things have been done to help solve traffic problems in Singapore. For example, motorists must buy a special pass if they want to drive into the downtown business district. They can go into the business district only if the…