承包制的英文：
【法】 contract system; contracting out system

contract是什么意思：
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

system是什么意思：
n. 体系，系统；设备；制度；方法；身体；次序

Is the system unstable?
是系统不稳定吗？

It was not a perfect system.
它不是一个完美的系统。

This is a sexpartite system.
这是一个由六部分组成的系统。

contracting是什么意思：
[contract]的现在分词

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