论语学习（一百一十八）

At first, the full volume of sound in the piece should be heard. At first, the full volume of sound in the piece should be heard. At first, the full volume of sound in the piece should be heard. At first, the full volume of sound in the piece should be heard. At first, the full volume of sound in the piece should be heard. At first, the full volume of sound in the piece should be heard. At first, the full volume of sound in the piece should be heard. At first, the full volume of sound in the piece should be heard.