發送短信 : A structured system's view of an intelligent tutoring system based on inquiry teaching approach

 _    _     _____              __   __    ______  
| || | ||  |  ___||   ____     \ \\/ //  /_____// 
| || | ||  | ||__    |    \\    \ ` //   `____ `  
| \\_/ ||  | ||__    | [] ||     | ||    /___//   
 \____//   |_____||  |  __//     |_||    `__ `    
  `---`    `-----`   |_|`-`      `-`'    /_//     
                     `-`                 `-`