發送短信 : What the progressive aspect tells us about processes

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