No matter how old or young, the object is to deceive the parents into think-ing that this changeling is actually their child.

而无论他们年龄大小，我们的目标是骗过孩子的父母，让他们相信换生灵的的确确是他们的亲骨肉。

These things are hardly revolutionary, prov - ing that there is no secret formula for success, just a constant desire to succeed.

这些都不是没有什么革新性的内容，从而证明没有成功的秘方，只有不断寻求成功的愿望。

There is no convincing evidence that social condition - ing, the fact that girls' mothers talked to them more, is the reason why girls talk more than boys.

社会条件，就是说女孩子的妈妈们通常和女孩子谈话多，才决定女孩长大后比男的讲话多。可是对此还没有让人信服的研究证据。