Press the power button to turn on the computer.
按下電源按鈕來開啟電腦。
I can’t find the elevator button for the third floor.
我找不到三樓的電梯按鈕。
Tap the save button in the app before closing it.
在關閉前，先點一下 App 裡的儲存按鈕。
The remote has three buttons for volume and channel.
遙控器有三個按鈕控制音量和頻道。