VOA慢速英语:加州允许大学生运动员通过代言赚钱

endorsement - n. the act of publicly saying that you like or use a product or service in exchange for money

challenge - v. to question the action or authority

recruit - v. to find suitable people and get them to join an organization, college..

prohibit - v. to order someone not to do something

compensate - v. to give money or something of value

stipend - n. a small amount of money that is paid regularly to someone