adoption within the family的用法和样例：
- Interracial marriages can cause many problems within the family.
- Adoption within the industry has been slow due to entrenched legacy systems, the complexity of the meeting management process, and lack of industry data standardization.
- 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.