More than 2,000 years ago, the ancient Greek oceanographer Divistock once said: "Whoever controls the ocean, controls everything.
In the era of economic globalization, ocean transportation still plays an irreplaceable role. Many advantages such as low cost, wide coverage, large capacity, etc. make ocean shipping the main artery of global trade.
However, during the epidemic, this international trade artery was cut off. The packing freight has soared bizarrely, and it is difficult to find the tanks of ships. Recently, the wave of global shipping prices and shortages has become more and more turbulent. But, Why?