an agreement signed in 1992 between the US, Canada and Mexico to allow goods to be transported and sold more easily over their borders. It also makes it easier for business and professional people to move between the three countries. The agreement began to operate in 1994. It was replaced by the USMCA. 北美自由贸易协定:1992年,美国,加拿大和墨西哥之间签署的一项协议,允许货物在其边界上更容易地运输和销售。这也使商务人士和专业人士在这三个国家之间转移变得更加容易。该协议于1994年开始生效。被USMCA取代。