In China, students have to learn English since they went to school. Some parents even hire a tutor to let their children master English when they are very small. In western countries, a lot of people learn mandarin just as we learn English. They want to master Chinese, because China is the future market. Look back on the past decades, Chinese economy developed so fast that the foreign media were shocked. They predicted that Chinese economy would be N0.1 in the coming year. To learn Chinese we...