What is the "Tariff Tug-of-War" all about? Let's chat slowly～

1. Old Trump's "Tariff Swing Dance": What exactly is he calculating?

In the past few days, Trump's attitude has been more changeable than the weather in April! First, on April 22, he said, "Tariffs on China may significantly decrease," giving the market a "sense of security," but just three days later, on "Air Force One," he directly changed his tune: "China must make substantial concessions, otherwise tariffs are off the table!"