SOLUTION As with any office or home computer input device, your keyboard may collect dust or get dirty from regular use. Occasional cleaning will help keep the device looking clean.

• 最为一个办公或者家庭电脑的输入设备,你的键盘可能因为经常使用存积灰尘或者污垢,定期清理可以帮助我们的键盘看起来干净。