People used to be allowed to have a smoke in public a man wanted to light a cigar when shopping with his wife in store or working his colleagues in the office , he could le around would think nothing of his smoking .
However,it is totally a different story we all know,smoking is harmful,for smoking can lead to many diseases(such as lung cancer and emphysema) and passive smoking is more harmful than active smoking. In public places,the disadvantage of smoking is greater,this is connected with another effect of smoking,that is ,smoking pollutes environment by giving much poisonous vapour off into the air.
Obviously,banning smoking in public benefits people a t,non-smokers are free from passive smoking and its nd,air quality and our environment wil be improved now that people have less chance to smoke in the public places.
譯文：
以前人們被允許在公共場所吸菸。如果一個男人想點燃雪茄和他的妻子在商店或購物時他的同事們在辦公室工作,他可以。周圍的人會認爲他吸菸。
然而,現在完全是一個不同的故事。我們都知道,吸菸是有害的,吸菸會導致許多疾病(如肺癌、肺氣腫)比主動吸菸和被動吸菸更有害。在公共場所,吸菸的缺點是更大的,這是與吸菸的'另一個作用,那就是,吸菸污染環境給很多有毒蒸汽消失在空氣中。
顯然,禁止人們在公共場所吸菸的好處很多。首先,不吸菸者免受被動吸菸和傷害。第二,空氣質量,我們的環境會得到改善,現在人少機會在公共場所吸菸。
