China sells goods into the U.S. market easily, but American service providers face a range of barriers in China, which vary across industries.
Most jobs in the U.S. are service jobs. They make up the biggest part of the economy, far bigger than manufacturing or farming.
That question stumped Kai and Molly on this week's "Make Me Smart." Here's the answer.
The vast majority of American jobs are in the services sector; as distinct to manufacturing, agriculture and others.
Growth in the service sector is slowing, too, according to new numbers from the Institute for Supply Management.