合同变更的英文：
alteration of contract

alteration是什么意思：
n. 改变，变化，变更，修改

He stepped upon the alter.
他走上圣坛。

Their attitude to me altered subtly.
他们对我的态度发生了微妙的变化。

Prices may be subject to alteration.
价格可能会有所变动。

Circumstances alter cases
此一时,彼一时

A small alteration,adjustment,or limitation.
更改小小的改变，调正或限制

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

crimp contraction
皱缩率

a contracted brow
皱缩的眉头