發送短信 : Multimodal user interaction methods for virtual reality headsets

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