commitment period造句

Clearly , there are many proposals for what could succeed the first commitment period of the kyoto protocol
很明显，对于如何成功完成《京都议定书》的第一个履约期有许多建议。
You agree that you are required to subscribe the service for a minimum commitment period and where the agreement is terminated before the expiry of the minimum commitment period , you are required to pay us the cost contribution
阁下同意阁下须在最短承诺使用期使用服务，倘协议在最短承诺使用期届满前终止，阁下须向吾等支付分担成本；
It's difficult to find commitment period in a sentence. 用commitment period造句挺难的