他不是在看电视，而是在看书。
交互性的存在让你清楚地知道你不是在读一本杂志也不是在看电视。
Their inclusion should make it clear that you arent reading a magazine or watching TV anymore.
失败是成功的助推剂，因为它告诉你去哪里以及如何取得成功(而不是把空闲时间都花在看电视上，比如说)。
Failure is the fuel of success, because it shows you where to go and how to make something of your life (instead of spending your free time watching television, for example).
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