aesthetic(美学）的介绍

1.2.1 The definition of aesthetics
　　Aesthetic is a branch of philosophy dealing with the nature of beauty. The word aesthetics was first used by German philosopher Alexander Gottlieb Baumgarten, who helped to establish the study of aesthetics as a separate philosophical field of study. Through the 2000 years development, it has become a more delicate and complete subject.

　　1.2.2 Further introduction about aesthetic
　　The objective world is richly colorful and complicated; the concrete shapes of beauty are also varied. According to the fields and characteristics, they may be divided into realistic beauty and artistic beauty.
　　Realistic beauty refers to the beauty existing in nature and society, while artistic beauty refers to the beauty of an artistic work through certain artistic methods.
　　Here, we just concentrate on artistic beauty which has a close relationship with phonology.

　　1.2.3 Artistic beauty.
　　All literary works, the re