A：Hello,can I smoking here?
B：I ‘m afraid you can't.You know,smoking is bad to health,and cigarette ads are prohibited in some countries but are allowed in others.
C：Well,smoking is not only bad for the person who smoking but also bad for the other folks around them.
D：So I hope the ads are not allowed in all countries,and Ihope less people smoking,especially the children and the men.