我不知道你在哪看到香港同学会的广告，关于周末的舞会提前买票只要2块，当场票3块？ The following is the email from HKSA to their members (I asked HKSA prez fowarded to me).
Welcome back to the second semester. The executive wishes you all the
Best this new semester and hope that the New Year brings you success and happiness. To take a break from school,we're organizing our first event of the year with the UOCSA.
Date: Friday January 25th 2002
Place: Liqour Dome
Cost: $3 advance, $5 at the door
Time: 9:30pm - 3:00am
Date: Thursday January 24th 2002
Place: University Centre
Time: 10am to 4pm
We would love to see you all there. Please contact me if you have any
questions. Our following event is International Week.