blanking input

例句：

1. 1. The computer screen was blank when I tried to enter my password.
   当我试图输入我的密码时，电脑屏幕是空白的。
2. 2. She entered her name into the system with a blank input.
   她用空白输入将她的名字输入系统。
3. 3. The software program requires a blank input for the user to start using it.
   该软件程序要求用户以空白输入开始使用它。