December 11 marks the 20th anniversary of China's entry to the World Trade Organization (WTO). Over the past 20 years, China's exports of goods have increased by more than seven times, while China's average annual contribution to global economic growth has been nearly 30%. In the face of doubts from some western nations, China has delivered a bright report card for the world economy. In this episode of BizBeat, CGTN's Aaron Liu shows the changes in China's economy in the past 20 years.