發送短信

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            ______    ______   __   __   _    _   
  ____     /_   _//  /_   _//  \ \\/ // | |  | || 
 |    \\    -| ||-     | ||     \ ` //  | |/\| || 
 | [] ||    _| ||_    _| ||      | ||   |  /\  || 
 |  __//   /_____//  /__//       |_||   |_// \_|| 
 |_|`-`    `-----`   `--`        `-`'   `-`   `-` 
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發送短信 : The precursors of second language acquisition : a cross-linguistic study.