Chinese President Xi Jinping is attending the 11th BRICS Summit this week. Xi said that protectionism and unilateralism are pushing the global economy into a slowdown. He made the remarks in a speech at the closing ceremony of the BRICS business forum. He reiterated China's support for free trade and multilateralism. He also said China's development presents opportunities for the world. At a time of great uncertainty for the global economy, how can cooperation among these economies help the fight against trade protectionism? Dr. Han Han from the Institute of Latin American Studies at the Chinese Academy of Social Sciences shares her views on the topic.