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As anti-virus measures are being toughened in a number of states, the US State Department on Thursday raised its travel advisory to Level 4, which instructs US citizens to avoid all international travel.

As for exports, despite the completion of production of contracted products to be delivered during March, the shipments are facing uncertainties.

As global mergers and acquisitions increase, the ministry has been actively cooperating with international law enforcement agencies, and signed cooperation agreements with many major countries and regions, including some BRICS countries and those along the Belt and Road.

As for the first objective, China's purchasing power overtook the United States in 2014 and is forecast to be 1.5 times the size of the US by 2024, according to the International Monetary Fund.

As a symbol of Chinese culture and a world cultural heritage spot, Badaling is by far the most popular section of the ancient defensive barrier, attracting millions of tourists from home and abroad every year.