A contract is either bilateral or unilateral.

合同可以是双边的或单边的。

youdao

They took the unilateral decision to cancel the contract.

他们单方面决定撤消合同。

youdao

They asked only signed between the monarch and his subjects unilateral "King contract" - I always have "faint" right, but you can only do "loyalty" obligation.

他们要求君臣之间只能签订单方面的“霸王合同”——我永远拥有“昏”的权利，但你们却只能尽“忠”的义务。

youdao

"As a result we have no alternative but to accept his unilateral decision to rescind his contract, " the statement added.

BBC: Chelsea set to seal Robinho deal

"The Appeals Committee concluded that the conduct of the player in taking banned drugs was gross misconduct, which entitled the club to treat the player's contract as at an end and amounted to a unilateral breach without just cause or sporting just cause, " the League said on Wednesday.

CNN: Chelsea aim to recoup loss on Mutu