Buses make less pollution than cars.同义句转换

问题描述:

Buses make less pollution than cars.同义句转换
_____ make ________ pollution than ______

__"cars"__ make ___"more"___ pollution than ___"buses"___
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次类型属于比较级的高等和次等之间的切换:
A more than B = B less than A
超过 不及