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The concept of polynomial-time reduction is central to understanding the structure of NP-complete problems.
Innovation in fisheries management is key to preserving marine ecosystems.
我对你的爱,不是言语所能表达的。
Every album is a piece of our journey.
良好的教养在于隐藏我们对自己较佳的评价,以及隐藏我们对他人较差的评价。