Lean on the ball as shown, keep the back flat or maintain its natural curve, with the legs straight.

身体俯卧于球体之上，动作如图所示。背部保持正直或保持自然弯曲状态，腿部伸直。

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Tying this back to software, Shalloway's message is that Lean provides both practices and principles, and that teams will be more effective if they understand and apply both.

回头来说软件，Shalloway的观点是精益同时提供了实践和原理，团队如果能够理解和应用它们，将会变得更高效。

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Lean UX gets designers out of the deliverables business and back into the experience design business.

精益ux让设计师跳出交付业务回到体验设计上来。

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Tablets are lean-back, browse-oriented experiences, and often used in conjunction with other media.

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Peter Kafka wrote a thought-provoking article for All Things D a few weeks ago that leaned heavily toward lean-back.

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Sure, the kickstand means you can set it up on a coffee table if you like, but that's hardly the ideal, couch-based, lean-back experience most tablets do so well.

ENGADGET: Microsoft Surface Pro review