求翻译：　到目前为止，苹果的成功都来源于乔布斯的一个基本理念：超一流的产品会带来超一流的利润。乔布斯非常强调精品战略。当政初期，他曾采取措施大力削减产品品种，把原有的十几个品种一口气砍到只剩下四种，全然不顾华尔街的满腹牢骚。乔布斯经常说的一句话就是：“有些业务我们能够为之，有些则无能为力，但无论怎样，我都感到自豪。”是什么意思？

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　So far, the apple success all originates from a Qiao Booth's basic idea: The ultra first-class product can bring the ultra first-class profit.Qiao Booth emphasizes the high-quality goods strategy extremely.Is in power the initial period, he once took the measure to reduce the product variety vigoro

　To date, Apple's success comes from a basic idea of jobs: top class products will bring superior profits. Steve Jobs places great emphasis on quality strategy. Those early, he took measures to greatly reduce the product varieties, a dozen varieties of the original cut down to only four left in one