PREVIEW
... classes, especially in physics, chemistry, and biology. The scores are very low. no help. However, half of the students in Class 3 were tempted. They watched Xu Zifan learning to take notes every day, and they could feel the gold content. So after waiting for two days, more than 30 students bought materials with him.
Some paid for single subject notes, and some bought notes for several subjects. Xu Zifan received 30 yuan for each copy, and in the end he earned 5,000 yuan from his classma ...
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