The great significance of the discoveruy of ancient inscriptions on bones or tortoise shells by WANG Yirong as viewed from the angle of linguistics and philology;

Any linguistic model is by its very nature an ideology of language and that language ideology is cultural-and historical-specific.

It is regarded as a revolution of language tool, as well as a revolution of language thought.

There is certain relation between Courtenay\'s language thought and Saussure\'s language thought;in particular,they have similar opinions on langue and parole,language sign and language system,static state and dynamic state and so on.