manual input

例句：

1. 1.The software requires manual input for the user to complete the task.
   该软件需要用户手动输入才能完成任务。
2. 2. Manual input is often slower than automated systems.
   手动输入通常比自动化系统慢。
3. 3. The manual input process involves entering data manually into a computer system.
   手动输入过程涉及将数据手动输入到计算机系统中。