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  1.  Economy                                         ¡.  ·ÃѾÂҡøÃÃÁªÒµÔ
       2.  Consumer                                        ¢.  ÃÑ°ºÒÅ                                     
       3. Natural  Resource                               ¤.  àÈÃÉ°¡Ô¨
       4. Human Resource                                §.  ¤ÇÒÁµéͧ¡ÒÃ
       5. Need                                                ¨.  ·ÃѾÂìàÈÃÉ°¡Ô¨
       6. Free Goods                                        ©.  ¼ÙéºÃÔâÀ¤                                 
       7. Economic Goods                                 ª.  ¼Ùé¼ÅÔµ
       8. Goods and Service                              «.  ·ÃѾÂìàÊÃÕ
       9. Producer                                           ¬.  ·ÃѾÂÒ¡ÃÁ¹ØÉÂì
       10. Government                                     ­.  ÊÔ¹¤éÒáÅкÃÔ¡ÒÃ