A civilized slogan for littering.

It's not the garbage that is lost, it's the loneliness

2.

My classroom listens to me.

3.

Don't treat yourself as garbage

4.

Your garbage is cheaper than yours

1) Observe social morality and maintain public hygiene.

2) There is only one earth. It is my responsibility to protect her.

3) strive to be a civilized person, and garbage is no longer a floating cloud.

4) Everyone will participate in the garbage disposal, and everyone will benefit from cleaning the new environment.

5) Don't leave the garbage on the ground, and be a civilized and good student.