A common phenomenon of the modern society is that a growing number of people know little about their neighbors, although they live in the same community for many years.

现代社会的一个普遍现象是，越来越多人对他们的邻居知之甚少，尽管他们多年来一直生活在同一个社区。

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Many people would think of Confucius (孔子), whose birthday was September. Although he lived over 2,000 years ago, people still remember and respect him for his contribution (贡献) to the education today.

很多人都会想到诞辰在九月的孔子。虽然他生活在2000多年前，人们仍然铭记和尊敬他对现代教育的贡献。

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Although the concept of use cases has been around for more than twenty years, many software practitioners have never actually used them or even been exposed to them.

尽管这些用例的概念自从二十多年前就已经生成，实际上许多软件从业者从没使用过它们或者甚至从来没有了解过他们。

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In this respect and although I have known for many years, it is only through recent research that is now on a scientific footing that great intelligence does not lead or equate to great discoveries being made.

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The current system, although not perfect has worked well for many years and should not be fundamentally changed.

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Although going offshore ensured his anonymity for many years, it disqualified him from the tax deductions that he otherwise would have been entitled to.

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