| 
 
 
 
  | 
|
| 
 Unfortunately, its simplicity is also its weakness since it is frequently too simple to represent realistic problems. 
![]()  | 
|
| 
 
  | 
|
| 
 
 
 
  | 
|
| 
 落红不是无情物,später werden alle Schwul. 
此情可待成追忆,die verlorene Liebe finde ich nie.  | 
|
| 
 
 
 
  | 
|
| 
 Unfortunately, its simplicity is also its weakness since it is frequently too simple to represent realistic problems. 
![]()  | 
|
| 
 
 
 
  | 
|
| 
 | 
|








发表于 2007-9-20 22:33
 | 




