發送短信 : Foundations of LINQ in C#

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