adj.可实施的
A gentleman's agreement is not usually enforceable by law. 君子协定通常不能在法律上得以强制执行。
An agreement between two or more parties, especially one that is written and enforceable by law. 合同，契约两个或两个以上当事人之间达成的一种协议，尤指具有法律效力的书面协议
