i 'm sorry for not coming here for nearly more than one month . i was busy with the final exams these days , and finally , the holidays are coming . yeah ... cool today's shanghai is snowing . time elapsed , it has been a long long time since i saw the scenery last time . maybe 5 years ago , oops , the first time when step into the gate of shanghai university memorized me some beautiful days . the days , i played snow balls with my best friends recalls me a lot . a lot of happiness , a lot of sadness a lot of ....... the day which was the best memory in my mind . the days maybe i will never forget .