Hi All,

I want to tell you that I will not be able to do the review session 
tomorrow afternoon at 5pm because of some personal issue.

Instead, I would like to offer another session on Wednesday morning 
from 9:00 to 10:00 in case you have any question about the homework for 
this week.

Also, I will always be available on email and sakai discussion board. 
So, you can also ask me question there.

Thank you for your understanding and sorry for any inconvenience.

Best,

Tian