单双号限行 odd-even number car plate
An odd-even number car plate system was put in place as an emission reduction measure.
把机动车单双号限行作为一项减排措施来实行。
The government should be cautious about introducing the odd-even number car plate policy.
政府对于实施机动车单双号限行政策一定要慎之又慎。
