！adopt的名词是adoption，形容词是adoptive和副词是adoptively，
But biological parents aren't always preferable to adoptive ones, and biological parentage does not convey an absolute ownership that cancels all the rights of children.但是，亲生父母并不总是比养父母更如人意，亲生父母的身份并不能传达一种绝对的所有权，这种所有权取消了儿童的所有权利。
