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  ____     __   __             _    _     _____   
 |  _ \\   \ \\/ //     ___   | || | ||  |__  //  
 | |_| ||   \ ` //     /   || | || | ||    / //   
 | .  //     | ||     | [] || | \\_/ ||   / //__  
 |_|\_\\     |_||      \__ ||  \____//   /_____|| 
 `-` --`     `-`'       -|_||   `---`    `-----`  
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發送短信 : Developments in Language Theory