感谢大家帮助。我是在CIC网上看了以下陈述才来求证的 b! E7 g9 u5 f$ k: P
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If you leave Canada and want to return, you must have: ( ?4 Z9 t8 \7 U# N# L8 l' ?4 ` G' b$ h
a valid passport or travel documents) O! s% M; U& K7 \
a valid study permit if you are returning to study in Canada and $ Z; B7 P5 A% E' Aa valid temporary resident visa if you are a citizen of a designated country for which Canada requires a visa. 6 _# @# X' A% z& ~* }+ x1 nIf you are a citizen of a designated country and you travel to a country other than the United States, Greenland or Saint-Pierre et Miquelon, you will need a multiple-entry visa to re-enter Canada. If your temporary resident visa has expired or if your visa was only valid for a single entry, you must re-apply for a temporary resident visa at a Canadian visa office outside Canada before you can re-enter Canada.
I remembered I saw this policy somewhere before...+ C4 }0 m3 q% G- @
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Maybe someone can call CIC 1888-242-2100 for confirmation.