Dear Little Hsieh, 

1. About the parents' tour in the North America: 
  I do not make my final decision. 

2. The http://www.unicode.org 
   2.1 This is my online Chinese dictionary. 
         For example.  the Chinese word - 
         Defination is "mouth; open end; entrance, gate ". 
         The unicode is 口 
           i.   & 
          ii.   # 
         iii.   x 
          iv.   53E3 
           v.   ; 

     2.2. Some Chinese words can not be read. 
           You are right. 

     2.3 gb2312 3158 
         ¿
         Ú
         口 
         

   Thank for your good work. 

Best Regards, 
Little uncle.  


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