It's important to stick with a proven methodology.

坚持一个证明有效的方法是重要的。

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This book provides a proven methodology that gets results that go directly to bottom line profits.

本书提供经验证有效的方法，直接协助企业根本获利。

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Forbes says it follows a strict and proven methodology to come to its Numbers, and confirms with the individuals and companies involved when possible.

《福布斯》说他们是采用一套严格且经过验证的方法得出数字的，并尽可能地与所涉及的个人和公司核实。

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To develop messaging that resonates with your buyers across various trigger points and journeys requires in-depth research, a proven methodology, and time.

FORBES: Customer-Centric Messaging Just in Time for Sales Kick Off