有收缩性的

例句：

1. 1. The company signed a contract with the government for a new project.
   公司与政府签订了一项新的项目合同。
2. 2.They entered into a partnership agreement after months of negotiations.
   经过数月的谈判，他们达成了一项合伙协议。
3. 3. The contract stipulates that both parties must fulfill their obligations within a certain timeframe.
   合同规定双方必须在一定的时间框架内履行其义务。