The seven "Yes's" speak to why process improvements are difficult, and often require an outside catalyst -- one with built-in credibility and process experience for bootstrapping positive change.

七个“是的”证明了为什么过程改进是困难的，并且经常需要外部催化剂 ——拥有内嵌的步步为营地积极变更的可靠性和过程经验。

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We often tend to associate smiling as the result of a positive event or mood. But research demonstrates that the act of smiling, in and of itself, can be the catalyst for joy.

我们通常认为微笑是喜事或喜悦的产物，可研究表明微笑本身也能够催化喜悦的心情。

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We often tend to associate smiling as the result of a positive event or mood. But research demonstrates that the act of smiling, in and of itself, can be the catalyst for joy.

我们通常认为微笑是喜事或喜悦的产物，可研究表明微笑本身也能够催化喜悦的心情。

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