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数学不是沿着一条清理干净的高速公路小心翼翼地行进,而是一次进入陌生荒野的旅程,探险者常常会迷路。
粒子的概念只是一种近似,仅在特定极限情况下有效。
A good story should make you laugh, cry, and wait.
The past is always tense, the future perfect.
I've learned that you can't control everything, but you can control how you react to it.
死者离我们从不遥远。他们在我们心中,在我们脑海里,最终将我们与他们分隔开的不过是一口气息,最后一缕空气。
The poor are often forced to make choices that no one should have to make.