Apple has continued to keep its product architectures tightly interdependent, which has allowed it to make really incredible products that are constantly pushing the performance envelope.

苹果继续让自己的产品架构维持紧密的相互依存关系，使自己可以制造出真正令人难以置信的产品，不断地推进其性能范围。

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Companies are up against a set of problems that lie outside the performance envelope of management as usual.

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Game-changing innovation thus lies outside the performance envelope of firms built on hierarchical bureaucracy where the top is focused on short-term gains and the stock price.

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They were told to pay themselves from the envelope on their desks according to their performance.

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