As we all know , the more public transport passengers use , the less car exhausts are emitted per person .
As we all know , the more passengers use public transport , the less car exhaust is emitted per person .
As we all know , the more passengers use public transport , the less car exhaust is emitted per person .
문법 개선: As we all know , the more public transport passengers use , the less car exhausts are emitted per person . 산출: