美国经济是世界上最大和最有影响力的经济之一。

The US ___economy is one of the largest and most influential in the world.

全球经济面临通货膨胀和贸易争端等挑战。

The global ___economy faces challenges such as inflation and trade disputes.

过去几年经济一直在快速增长。

The ___economy has been growing at a rapid pace over the last few years.