Policymakers also should be talking about how self-driving vehicles can help reduce traffic jams, cut emissions and offer more convenient mobility options.
政策制定者还应该讨论自动驾驶汽车如何帮助减少交通堵塞、减少排放，并提供更方便的出行选择。
To increase awareness of traffic laws and regulations to reduce artificial traffic jams, through all sectors of society to work together to create a good traffic environment.
要加大交通法规宣传，减少人为的交通拥堵，通过社会各方面的共同努力，共创良好的交通环境。
"Since the 'Car Free Day' is meant to reduce pollution and traffic jams, all drivers should support this," said Li Ming, a taxi driver in Beijing.
北京出租车司机李明说，“‘无车日’意味着减少污染和交通堵塞，所有司机都应积极响应。”
Secondly, this will encourage people use the bike as a means of transport instead of the gasoline car, it will help to reduce the air pollution, meanwhile, reduce the traffic jams.
第二，这将鼓励人们用自行车取代汽油车作为代步工具，这能帮助减少空气污染，同时减少堵车。
Secondly, this will encourage people use the bike as a means of transport instead of the gasoline car, it will help to reduce the air pollution, meanwhile, reduce the traffic jams.
第二，这将鼓励人们用自行车取代汽油车作为代步工具，这能帮助减少空气污染，同时减少堵车。
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