Until love and charity finally arrived, I couldn't wait to pick up the money and go to the playground as quickly as possible. The originally quiet playground suddenly boiled up, crowded and crowded. A striking sign. Where are they standing? The cry of selling flies into the ears, and the students become salesmen and salesmen again. After the sale, the playground was restored to its former tranquility.

Finally, the charity sale came. I couldn't wait to pick up the money and came to the playground as quickly as possible. The originally quiet playground suddenly boiled up, with a sea of people and a lot of excitement, as if it had become a flea market. An eye-catching signboard "rises from the ground" flies into the ear, and students become salespeople and salesmen. After the sale, the playground was quiet again