【单选题】Labor Force The labor force is the part of a nation's population that works for pay or that is looking for a paying job. In 1800, the United States had about 2 million people in its labor force. Most ...
【单选题】Labor Force The labor force is the part of a nation's population that works for pay or that is looking for a paying job. In 1800, the United States had about 2 million people in its labor force. Most ...