No smoking signs on buses.

Smoking is the biggest threat to human survival after war, hunger and plague.

For the health of you and your family, please don't smoke.

3, perhaps, your fingertips hold someone else's life-please don't smoke (no smoking in the car).

4. In the car, the fireworks will not continue. ...

Your cigarette and my gasoline are doomed that we can't love each other-smokers are forbidden.

6. Never light a cigarette, it will turn you into a wisp of light smoke (no smoking in the car).

7. If you want to smoke, the time bomb is around you! (Smoking is prohibited in the car)

Temporary happiness, eternal pain-please don't smoke.

9. Light your cigarette, pollute the air and endanger people's lives. Where is your conscience!

10, please don't let your selfishness light my car-please don't smoke (smoking is not allowed in the car).