他这样加以区分，是为了说明想缩短市场投放时间，可以降低外部质量，但是决不能降低内部质量。
He makes this distinction to note that while external quality can be lowered to shorten time-to-market, internal quality cannot.
在这里，是为了分析的目的而加以区分的。不同职能的特征和相对的显著性在一个机构的历史上，此时和彼时是不同的；
The character and relative significance of the various functions differ from one time to another in the history of any organization, and between one organization and another.
在这里，是为了分析的目的而加以区分的。不同职能的特征和相对的显著性在一个机构的历史上，此时和彼时是不同的；
The character and relative significance of the various functions differ from one time to another in the history of any organization, and between one organization and another.
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