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1.We must follow the p¡¡¡¡¡¡¡¡¡¡ that education should be fair to everyone. 

´ð°¸:principle

2.It does serious harm to children’s character that too much v¡¡¡¡¡¡¡¡¡¡ is shown on television. 

´ð°¸:violence

3.The product is of very good q¡¡¡¡¡¡¡¡¡¡,so it sells well. 

´ð°¸:quality