家庭联产责任承包制的英文：
family-contract responsibility system
n. 家，家庭；家庭成员；家世；子女
family friction
家庭的不和
There are often many nuclear families in one extended family.
在一个扩大的家庭中往往有多个核心家庭。
Which of you is the baby of the family?
你们当中谁是家中年龄最小的人？
n. 契约；合同；婚约
v. 感染；（使）缩小，缩短，收缩；订契约
The contract was negotiated.
合约已谈妥。
confidentiality of contracts
合同的保密性
Renewal of contract
合同的续订
n. 责任；责任感；职责；义务；负担
the shift of responsiBility
推托责任
Allocation of responsibilities
责任分派
a responsive smile
表示回答的微笑