实现方法是创建一个压缩的符号字典，取代行级重复数据模式。
It does this by creating a compression dictionary of symbols which replace repeating data patterns at the row level.
然而我们很多人都满足于对真理的描述，这种描述和符号已取代了真实事物的地位。
But most of us are satisfied with the description of truth; and the description, the symbol, has taken the place of the factual.
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