求翻译：有一个辩论关于战略结合。porter(1997)建议要长期得到成功，一个企业就必须选择三个其中一个的战略，如果一家公司实现全方位得优势，它可能不能达到任何一个优势，这个情况称为“stuck in the middle".一个企业卡在中间是一个poor的情况，是什么意思？

There is a debate about strategies. porter (1997) suggested that long-term success of an enterprise must choose three one strategy, if a company is to achieve a full range of an edge, it may not achieve any advantage, this situation is called "stuck in the middle". a business card in the middle of a

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Some debate about strategic union.porter(1997) suggested must obtain for a long time successfully, an enterprise must choose three strategy, if a company realizes the omni-directional superiority, it possibly cannot achieve any superiority, this situation is called “stuck in the middle the” 0.1 ente

There is a debate on strategy combined with. Porter (1997) recommends to long-term success, you must select one of the three strategies for Omni-directional advantage if a company, it may not be able to achieve any advantage, this condition is called "stuck in the middle." a business card in the mid