This is the 3646th most frequent Chinese word.
签订
To sign (a contract or agreement).
In this sentence, '签订' is used to indicate the formal action of signing and agreeing to a document such as a contract.
我们昨天签订了合同。
We signed the contract yesterday.
Here, '签订' is employed to describe the future action of formally agreeing to an upcoming document or agreement.
公司将于下周签订新的协议。
The company will sign a new agreement next week.
In this example, '签订' denotes the mutual official agreement being finalized on a treaty by the parties involved.