Text this: On the original relationship between Chinese and Kam-Tai

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