墙上的告示写着“请勿吸烟”。

The notice on the wall says "No smoking".

公共汽车上张贴着请勿吸烟的告示。

Notices are displayed on the bus asking people not to smoke.

“敢于不同，请勿吸烟！”一个旨在减少青少年吸烟的广告牌的标语，因为青少年最渴望融入他人。

"Dare to be different, please don't smoke!" pleads one billboard campaign aimed at reducing smoking among teenagers—teenagers, who desire nothing more than fitting in.