How to write attractive advertisements for flea markets?

Exchange needed goods, turn waste into treasure.

2.

Although fleas are small and have five internal organs, students in the market will laugh.

3.

Barter has a long history, and the financial turmoil cannot be suppressed.

4.

Let the garbage fly for a while.

5.

You exchange stories, and you get benefits.

6.

Strong hind legs are a powerful driving force of market economy.

7.

I'm afraid I can't find it, I'm afraid I can't think of it.

8.

Deeply praised by the students, a conscience commodity!

9.

Come on! Tao Jing.

10.

Small market, big harvest!

Flea market slogan