12月31日就是Regular Decision(一般申请)的截止日期。
December 31 is the deadline for Regular Decision applications.
一般申请的资料要在签证到期前的60-90天提交，不然就有可能赶不及在你旧的签证到期前收到新的签证。
Check the expiry date on your permit, and make sure you renew or "Change the Conditions" of your Study Permit at least 60-90 days before the expiry date.
有些申请表格一般人可能看不懂。
Some application forms can be incomprehensible to ordinary people.
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