当你想要一直保持接触，但觉得长距离通话会花很多钱，你想避免这时，文本和即时通讯允许你仅仅只要去问个机灵点的问题或者给个简单的问候“早上好”。
But text and instant messaging also allows you to stay in touch when, say, expensive long distance charges may otherwise prevent it or you just need to ask a quick question or give a simple.
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