VOA慢速英语2013.10.23 efforts, 洛杉矶, offering, included, standards

Rebecca949

California's biggest city, Los Angeles, has successfully reduced its smog problem. Its efforts included improving its vehicle emission standards, and offering special incentives or rewards for clean energy policies.加州最大的城市洛杉矶已经成功减轻了其烟雾问题.其措施包括提高车辆排放标准,为清洁能源政策提供额外奖励与回报.
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dadopoko001

希望自己的英文能夠進步