These are five possible ways, then, of controlling air pollution caused by cars.

以上是控制轿车空气污染的五个可行的方法。

youdao

These are five possible ways, then, of controlling air pollution caused by cars.

为了控制或减少轿车对空气的污染，上述五种方法都可以予以考虑。

youdao

These are five possible ways, then, of controlling air pollution caused by cars.

为了控制或减少轿车对空气的污染，上述五种方法都可以予以考虑。

youdao