open contract

例句：

1. 1. 开放合同；2.
   合同
2. 3.
   合同
3. 4.
   合同
4. 1. The company has signed an open contract with the government for a new project.
   该公司已与政府签订了一项新的项目开放合同。
5. 2. The agreement was reached after several rounds of negotiations.
   经过几轮谈判后达成了协议。
6. 3. The treaty stipulates that both countries will respect each other's sovereignty and territorial integrity.
   条约规定两国将尊重彼此的主权和领土完整。
7. 4. The pact between the two parties was sealed with a handshake.
   双方通过握手签署了协议。
8. 5.The contract is due to be executed within six months.
   合同预计在六个月内执行。