i dont understand why

'可是這樣你回到加拿大時，不能出示加拿大護照，因為上麵沒有你的任何旅行記錄。所以你有的這本加拿大護照不起作用'. without 任何旅行記錄 cannt any Chanadian reenter Canada? if he goes to US, there is not any record at all, right?

i thought there should be just problem by trying to out China?

t