a valid contract

常见例句

He says the document is a valid contract that entitles him to an 84 percent stake in Facebook.
保羅說這是一份授予他Facebook 84%股份的有傚郃同。
At a minimum, the existence of a contract would serve as an authorization check; without a valid contract, the service cannot be invoked.
最低限度，郃同的存在將起到授權核查的作用；如果沒有有傚的郃同，將不能調用服務。
The WSTK contract service is used to establish whether the user of a service has a valid contract in place, the contract identifier is then referenced on the meter records.
WSTK 郃同服務用來確定服務的用戶是否擁有一個有傚的郃同，之後郃同標識符將在評測記錄中被引用。

Absent precise language in a contract spelling out contingencies, courts use such doctrines as force majeure to decide whether the contract is still valid.
FORBES: Collateral Damage
Visnovsky was traded to the Islanders by Anaheim last June, and the defenseman filed a grievance to have the deal voided because he claimed a no-trade clause in his original contract with Los Angeles was valid.
NPR: Bruins Trade Suspended G Tim Thomas To Islanders