Contrary to what they teach in business school, Apple has succeeded by limiting consumer choice, and Apple's small product line-up has been a key factor in that success.
苹果公司的有限的产品线是该公司成功的一个重要因素，它靠限制消费者的选择而取得成功，这同我们在商学院学到的知识是相悖的。
In future, annuity rates for men-the main buyers of the product-will have to be cut, perhaps by 5%, to bring them in line with rates for women.
在未来，作为产品主要消费者的男人的年金率可能不得不削减5%，以此达到与女人收入的同一水平。
Layers provided the overall architectural structure required to support a product-line development strategy by separating reusable and platform-specific software elements into different layers.
分层模式提供了支持某一产品线策略所必需的整个体系结构的结构，它将可重用和特定于平台的软件要素分离成不同的层。
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