1、Family balance: Family is the social unit that is based on marriage and bloodline relations.
家庭平衡：家庭是以婚姻和血統(tǒng)關系為基礎的社會單位。

2、a social unit living together
一個居住在一起的社會單位。

3、A dwelling place together with the family or social unit that occupies it; a household.
家庭，家族一個居所以及居于其中的家庭或社會單位；家庭。