我们乐于讨论和会想过去的美好时光(甚至是昨天的事情)，而且我们希望产品可以帮助我们回忆。
We enjoy talking and thinking about the good old days (even yesterday), and we want objects to help us with this.
人活在回忆之中、或在对过去美好时光的惋惜中、活在对已故友人的悲伤之中，都是不行的。
It does not do to live memories, in regrets for the good old days, or in sadness about friends who are dead.
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