感谢大家帮助。我是在CIC网上看了以下陈述才来求证的 4 ]% }5 B9 W6 s! T; V5 l. L9 w3 G9 d/ ^3 j
If you leave Canada and want to return, you must have:% [9 f7 O) A: v: c
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a valid passport or travel documents% h0 u; s9 X+ I+ H. z3 z1 g( t
a valid study permit if you are returning to study in Canada and9 k( S% x: r" G1 y6 U
a valid temporary resident visa if you are a citizen of a designated country for which Canada requires a visa. 1 n7 Q' \$ P% B( A! lIf 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.