如果你有什么话要说，你认为别人也会感兴趣，那么就考虑一下做一个播客或视频广播。
If you have something to say and you think others will be interested as well, then consider making a podcast or videocast.
为什么服务一个高度忠诚的顾客的成本原则上与服务其他类型的回头客的成本是不同的，这一点完全不清楚。
It is not at all clear why the costs of serving a highly loyal customer should in principle be different from those of serving any other type of repeat customer.
是什么让极客一族的老妈们从传统的妈妈堆里脱颖而出的？
What is it that sets a Geek Mom apart from the mundane mass of mothers?
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