青云翻译

Many people do not know that second-hand smoke is also harmful, and even exposure to secondhand smoke than smokers are more dangerous

Many people are aware that second-hand smoke is just as harmful, even second-hand smoke than people who smoke are more dangerous

Many people all did not know two smoke similarly are also harmful, the inspiration two smoke people the harm which receives the smoking person are even bigger than

Many people do not know that 2 passive smoking is also harmful to inhale 2 passive smokers than non-smokers and even the more harmful

Many people are aware that second-hand smoke is just as harmful, even second-hand smoke than people who smoke are more dangerous