核心问题
Such was Albert Einstein, a simple man and the 20th century's greatest scientist.
上句中的 such 是什么词, 在句中作什么成分?
词典解答
这里的 such 是个代词，在句中作表语。为什么不把它分析为主语呢？因为 such 之后的谓语动词总是与位于其后的名词或代词的数保持一致（即表语提前引起主谓语的倒装）。例如：
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Such is the influence of TV that it can make a person famous overnight. 电视的影响力就是这么大, 可以让人一夜成名。
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He worked hard but earned a little money; such was his fate. (such 替代前面的分句) 他
辛勤地工作，可是只挣到一点儿钱，这就是他的命啊。
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Cricket was boring. Such(ie That) was her opinion before meeting Ian. 打板球没意思。她在认识伊恩以前就是这种看法。(such 替代前面的整个句子)
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Such were his words! 他是这么说的!
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Such are the results! 结果就是这样!