2. Whenit comes to the increasing use of motor vehicles in Beijing , some people thinkthat use should be limited . Others argue that the opposite is true . There isprobably some truth to both arguments,but emission controls must be institutedregardless of the number of vehicles.
涉及北京机动车使用量增加这一问题，有的人认为应该限制使用。另一些人持相反意见。也 许双方的观点都有一定道理，但是，无论车辆多少，必须对废气排放实行控制。
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