traffic-solution(singapore)

المتكلمون

• Speaker 1 0:00
• Speaker 2

1. 0:00

   الفصل 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…