


China is one of the world's oldest and richest continuous culture countries. Along with the rapid expansion of Chinese politics, economy, and other fields, China has acquired hold of balance in international affairs. Mandarin is the national language of China. Practical Mandarin...

China is one of the world's oldest and richest continuous culture countries. Along with the rapid expansion of Chinese politics, economy, and other fields, China has acquired hold of balance in international affairs. Mandarin is the national language of China. Practical Mandarin...