对于许多人而言，一个文本短信或是一个手机脸书信息相比于一通电话而言对你手头上的事打扰的程度更小，因为一通电话使接收者必须打断正在做的事来回答。

For many people, a text or mobile Facebook message is seen as less intrusive than a phone call, which asks the recipient to interrupt what they're doing and answer.

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我妈妈每天与我通电话，不断地使我了解家里的情况。

My mother telephoned me daily and kept me posted on everything that went on at home.

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因此，在接通用电器具电源的同时也使指示灯(4)通电发光。

So an indicator light (4) is caused to energize and emit light when the power source of the electric appliance is switched on.

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