The common methods of statistical analysis for quantitative data have t test, analysis of variance and rank test. They seem simple, but are liable to be misused.
定量资料的一般性统计分析中比较常用的方法就是t检验、方差分析与秩和检验，看起来简单，却容易出错。
They seem so surprised when asked simple direct questions that they have never considered.
而被问到那些他们从没考虑过的简单直接的问题时他们却显得如此讶然。
Business transactions might seem like a simple function to the invoking application, but they might be implemented as composite functions covered by their own transactional context.
业务事务很像是调用应用程序的简单函数，但是它们可能是作为自己的事务的上下文所包含的复合函数来实现的。
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