Sureness, ease, freedom, and the effect of personal reminiscence come only from complete mastery.

对故事的确定感，讲故事时的舒缓有致，自由发挥，还有对故事的个人回想只有通过完完全全地把握整个故事才能做到。

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Whereas in a purchase, the deal is through a corporation which removes the personal nature of the transaction so society gives you complete freedom of speech to discuss your bargaining skills.

FORBES: Seller beware: don't give away the store when selling