那简直无从比较。
这与第三大的有线电视公司Cox Communications无从比较，因为他们是一家私营公司，并不公开用户数量。
Missing from the tally is the third-largest cable company, Cox Communications, which is privately held and doesn't report subscriber counts publicly.
除非可以准确的找到他们，否则公司就不能将这些同其竞争对手作出比较和对比，找到竞争优势也就无从谈起。
Without defining them carefully it is not possible to compare and contrast them with those of rivals and thereby to seek ways of gaining competitive advantage.
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