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 / ____|| | || | || | || | || | || | ||  / ____|| 
/ //---`' | || | || | '--' || | || | || / //---`' 
\ \\___   | \\_/ || | .--. || | \\_/ || \ \\___   
 \_____||  \____//  |_|| |_||  \____//   \_____|| 
  `----`    `---`   `-`  `-`    `---`     `----`

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發送短信 : Revisiting Market-Level Competition: The Perspective from Low-Cost Entrants