介绍
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BACK&THEN App helps you cherish the friendship and stories between classmates, and don't forget these good classmates. Function introduction:
1. Add interesting things between school and classmates and friends;
2. Gossip in the class and funny events in the classroom can be recorded and recalled at any time in the future;
3. The most important thing is to add the contact information of those friends and teachers so that you can contact them at any time in the future.
