elastic clause

例句：

1. 1.The company's policy is to offer a flexible clause for customers who need to change their plans.
   该公司的政策是为客户提供一个灵活的条款，以便客户需要更改计划时使用。
2. 2.In the contract, there is an elastic clause that allows the parties to adjust the terms of the agreement if necessary.
   合同中有一项弹性条款，允许双方在必要时调整协议条款。
3. 3. The agreement has an elastic clause that allows both parties to make changes without affecting the other party's rights.
   该协议有一个弹性条款，允许双方在不损害对方权利的情况下进行修改。