Editor's note: The annual sessions of China's National People's Congress (NPC) and the National Committee of the Chinese People's Political Consultative Conference (CPPCC) are currently underway in Beijing. As a key event on China's political calendar, the "two sessions" offer the world a window to observe the country's development and understand its policy direction for the following year. Here, China.org.cn navigates you through the differences between the NPC and the CPPCC and offers insights into their vital contributions to China's political landscape.