他们正在修改合同中的几个条款。

They are ___amending several clauses in the contract.

委员会正在修改合同条款以适应当前需求。

The committee is ___amending the contract terms to meet current needs.

收到客户投诉后，他立即开始修正服务流程。

After receiving customer complaints, he immediately started ___amending the service procedures.