为了接听一个电话，你需要完全从你的工作环境中切换出来，然后专注于谈话。

To take a call you need to completely switch away from your working environment and focus on the conversation. Other interrupts are less disruptive than that.

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继电器板卡用于旋放外部工作环境的自动切换；

Relay-board is used to the automatic shift of surroundings.

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继电器板卡用于旋放外部工作环境的自动切换；

Relay-board is used to the automatic shift of surroundings.

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