traffic-solution(singapore)

ໄມໂຄຣໂຟນ

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   ບົດ 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…