回复：出入境问题再请教

由美国去加拿大，该用哪国护照？
由美国去加拿大，应该用加拿大护照.
由加拿大回美国呢，用美国护照？
由加拿大回美国,应该用美国护照.
LINK:
canada.usembassy.gov/traveling_to_canada/entering-canada.html
Dual Citizens
If you are a dual U.S.-Canadian citizen you should always present yourself as a Canadian citizen when entering Canada and as a U.S. citizen when entering the United States. For more information, please visit our page on dual citizenship.