發送短信

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             ___      _  __     ___     __   _   
  ____      / _ \\   | |/ //   / _ \\  | || | || 
 |    \\   | / \ ||  | ' //   / //\ \\ | '--' || 
 | [] ||   | \_/ ||  | . \\  |  ___  ||| .--. || 
 |  __//    \___//   |_|\_\\ |_||  |_|||_|| |_|| 
 |_|`-`     `---`    `-` --` `-`   `-` `-`  `-`  
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發送短信 : Takeover waves and its driving factors : evidence from Singapore.