President Xi Jinping, who was welcomed by overseas Chinese in Davos, Switzerland, delivered the keynote speech at the opening ceremony of the World Economic Forum on Tuesday. During his address to the annual meeting of political and business leaders, Xi said openness is the primary solution to the global economic slowdown. He added that China's development presents many opportunities for the world, and invited other countries to share them, but he stressed that a trade war would be detrimental to all parties involved.