A 90-day pause on punishing tariffs could restart trade between the world’s largest economies. But it is not enough to resolve uncertainty about the economy.

Chinese leader Xi Jinping has taken aim at “bullying” and “hegemonism,” in his first public remarks since a temporary truce over tariffs was agreed in the trade war between the United States and China.

Both sides are hailing the temporary reprieve, which will cut U.S. duties on Chinese goods to 30 percent, but analysts say underlying issues remain.