旅客：是的，我收到这份欠款通知单，请问它是关于什么的欠款单？
形而上学是西方哲学的核心领域。哲学家们一直在争论它是关于什么的，它的价值何在，甚至形而上学是否可能的问题。
Metaphysics is the core area of philosophy in the West, yet philosophers have been debating about what it is about, what its value is, and even whether metaphysics is possible.
对于一个你正在进军的特殊领域，如果你用单行文字回答一个新手关于“它是做什么的？”
For the particular market you are entering, if you told a novice user this single line as an answer to “What does it do?
它是否立即告诉了你这个网页关于什么的？还是你需要再花几分钟的浏览才能搞清楚它的内容？
Does it explain the page instantly, or do you have to look around a few more seconds before grasping its meaning?
它是否立即告诉了你这个网页关于什么的？还是你需要再花几分钟的浏览才能搞清楚它的内容？
Does it explain the page instantly, or do you have to look around a few more seconds before grasping its meaning?
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