Polite sentences about please don't spit.

In my opinion, decent words are nothing more than polite euphemisms. If the manager said it, it's not the same as the publicity label. For example, if he spits everywhere, he goes over and nods to him and says, "Hello, sir, do you have phlegm in your throat?" Here you are. This is a tissue. Please spit it out There is a trash can here. Please don't spit anywhere next time. Thank you for your cooperation. "If you feel verbose, just say," Please don't spit everywhere, thank you! "Just do it. It depends. Some people are thin-skinned. They didn't mean to. Some people are overbearing and unreasonable, so we should speak with pertinence.

If it is a public slogan, spit on the road with words like "phlegm", which is obvious to all.