沽出期权则给予权力，而非强制约束，持有人以固订价格卖出股票。

B put gives the holder the right, but not the obligation, to tender a share and receive, in return, a fixed price.

youdao

稳定与增长协定现在已是千疮百孔，不足以成为财政政策的强制约束力。

The stability and growth pact is now too full of holes to be a binding constraint on fiscal policy.

youdao

指示复制代理将数据添加到此表中或更新此表中的数据时是否强制约束。

Indicates whether to enforce the constraint when a replication agent adds or updates data in this table.

youdao

Liberty means the absence of constraints or impediments to action.

现代自由意味着人们的行动,将免于他人的妨碍或是国家的强制约束。

耶鲁公开课 - 政治哲学导论课程节选

How do they manage to enforce those contracts?

他们怎么通过强制力约束合同的

耶鲁公开课 - 博弈论课程节选

Those agreements, how are they enforced?

就是他们的共识 怎么来强制约束

耶鲁公开课 - 博弈论课程节选