youdao

You need to do the same for each of the other buttons we've just created slots for by connecting them to their corresponding slot.

需要对我们刚刚为其创建了槽的其他每个按钮做同样的事情，方法是把它们连接到它们对应的槽。

youdao

Therefore, as long as you can differentiate between the buttons by the words on the labels, you do not have to be concerned about the index property or any other properties.

因此，只要您能够用标签上的文字来区分这些按钮，那么您就不需要考虑索引(index)属性或其他任意属性。

youdao

If you did it in the lab or on your computer screen, you would do it by pushing buttons.

如果你在实验室做，或者在电脑上做，你需要按键。

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Even when these companies deliver simple consumer electronics, we still need to figure out what all the buttons do.

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The idea, Morin says, is that people do not want to push buttons all the time to check-in and may feel comfortable with their close friends and family knowing where they are.

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Sometimes tracks would just disappear, sometimes they wouldn't play, and occasionally buttons would do the wrong things, or wouldn't do any things.

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