發送短信 : Day of the Week Effects on the SES

             ___     _    _      ___      ______  
    ___     / _ \\  | \  / ||   / _ \\   /_____// 
   /   ||  | / \ || |  \/  ||  | / \ ||  `____ `  
  | [] ||  | \_/ || | .  . ||  | \_/ ||  /___//   
   \__ ||   \___//  |_|\/|_||   \___//   `__ `    
    -|_||   `---`   `-`  `-`    `---`    /_//     
     `-`                                 `-`