这是政府网站的说法:
Beginning July 11, 2019, Canada and the U.S. will exchange basic biographic entry information (such as full names and date of birth) on all travellers at the land border, so that entry into one country serves as an exit record from the other. This initiative will help Canada make better, timely decisions on border management, law enforcement, national security, citizenship applications, immigration, and social services.
Beginning July 11, 2019, Canada and the U.S. will exchange basic biographic entry information (such as full names and date of birth) on all travellers at the land border, so that entry into one country serves as an exit record from the other. This initiative will help Canada make better, timely...
www.canada.ca