發送短信 : How are credit card packages and cardholder behaviour affected by consumer's demographics?

  _____      ___      ______     ___      ______  
 / ____||   / _ \\   /_   _//   / _ \\   /_____// 
/ //---`'  | / \ ||    | ||    | / \ ||  `____ `  
\ \\___    | \_/ ||   _| ||    | \_/ ||  /___//   
 \_____||   \___//   /__//      \___//   `__ `    
  `----`    `---`    `--`       `---`    /_//     
                                         `-`