上月27日，美国与墨西哥宣布就更新北美自由贸易协定达成初步原则性协议，但美国和加拿大没能在美方设定的8月31日期限前达成协议，把谈判期限延长至9月30日。
On Day 27 of last month, the United States and Mexico announced a preliminary principled agreement on updating the North American Free Trade Agreement while the United States and Canada failed to reach an agreement before the deadline set by the American side of August 31 and extended the negotiation deadline to September 30.