想想顾客为什么会离开：不可能仅是因为你的竞争对手投放了一个应用软件。
Recall why customers leave: it's not likely just because your competitor has launched an iPhone app.
但是为什么你会离开你的床去冒险经历现实世界的无聊呢？
Why, then, move off your couch and risk the ennui of the real world?
无论孩子问的是“天空为什么是蓝色的”，还是“小宝宝从哪儿来”，或者“我最爱的爷爷（奶奶）为什么会离开我”，你的答案总有一些共通之处。
Your answers all have something in common whether they concern why the sky is blue, where babies come from, or how a beloved grandparent can pass from life to death.
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