She relates a story of a family with a hearing-impaired mother and a hearing child: when the family's fish died one day, the child invented a sign for a fish floating belly up.
林亞秀舉例，有個家庭，母親聽障、小孩正常，有一天家裡養的魚死掉了，小孩自己「發明」手語，作出「魚翻肚」模樣，母親一看便知。