契約的英文：
a contract; a compact; an agreement; a charter; a binding engagement

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

compact是什么意思：
adj. 紧密的；紧凑的；结实的；简洁的
n. 小粉盒；合同，契约
v. 把…压实，压紧；简化，压缩；使紧密结合

To become compact or solid;cohere.
凝固使坚实或变硬；粘着紧凑

I want to buy a compact.
我想买一个小粉盒。

The Smith boy was compacting the trash.
史密斯家的男孩在把垃圾压紧。

agreement是什么意思：
n. 同意；协议；一致

rescind an agreement
废除协定

This will be retroactive agreement.
这些是追溯以往的合约。

They have a tripartite agreement.
他们有一个三者间的协议。