We must address ourselves to the problem of traffic pollution.
我们必须设法解决交通污染问题。
We must address ourselves to the problem of air pollution.
我们必须设法解决空气污染问题。
In the 1990s, California said it would require their sale to address its almost intractable air pollution problem.
20世纪90年代，加州宣称其将要求他们的销售尽量避免空气污染的问题。
In the 1990s, California said it would require their sale to address its almost intractable air pollution problem.
20世纪90年代，加州宣称其将要求他们的销售尽量避免空气污染的问题。
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