回复：请教小白兔姐姐和各位大虾 H1-B 加拿大旅游和签证的问题！

1. Canada is much easier to get the visa compared with CN
2. You can back to the US within 30 days if you just visit Canada with your valid visa.
3. U can't back if your visa is rejected in CA.
4. I never heard of rejection on the H visa from Ca.\
GOOD LUCK