During US President Trump’s visit to China in 2017, he used a tablet to show President Xi Jinping that his grandson Arabella recites the "Three Character Classics"; Facebook founder Zuckerberg also showed his Chinese proficiency in public... In the world, learning Chinese has become the latest trend. More than 70 countries have included Chinese in their national education curriculum, and the cumulative number of people studying and using Chinese outside of China has exceeded 200 million. Chinese is not only a tool for communication in China, but more importantly, through learning Chinese, one can learn more about Chinese culture.