Prove what you are saying is true.You can talk, but can you back it up?Make your statements believable by offering proof, endorsements, examples, testimonials and even sales case histories.

• 你可以将产品或服务说得很完美，但这些卖点是否有证据支持?引述证据、外界的认可、成功例子、推荐，甚至是以往的成功销售例子，都可以令你的卖点更可信。