Here, the role of law and legal rules has been to channel this interaction within limited boundaries-for example, by restricting ex parte contacts-rather than to determine final results.

• 在这点上，法律和法律规则的作用一直在引导这种相互作用进入有限的范围，例如，通过限制单方面合同而不是决定最后的结果来加以引导。