adoption within the family的用法和样例：
- Gypsies frequently transmit recipes orally within the family.
- Interracial marriages can cause many problems within the family.
- Within the family, the parents' support is unconditional.
- If one were really worried that the family line will be extinguished,one would only be allowed to adopt a child from within the family. How could one allow in someone with a different family name and allow the ancestral line to be deranged.