If you cannot describe your product in one sentence, you cannot sell it.

如果你不能一句话描述你的产品，它就卖不出去。

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The requirements describe all the product functions, as well as the constraints under which these functions should be realized.

需求描述了所有产品功能，并且定义了实现这些功能的约束条件。

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Requirements describe what users want from a product or service.

需求描述了用户想从产品或者服务中得到什么。

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To validate our value proposition we set up several landing pages with varied messaging to describe the product.

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You need to describe the product or service, share its benefits with your audience, and feature some real testimonials from users.

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Can you describe the product in 140 characters or less?

FORBES: Pitch Your Idea in 140 Characters