It should obey some rule, such as the ruleof right-hierarchy, the ruleofproportion.
权利限制也须被限制，这些限制包括遵守权利位阶的原则、法律保留原则、比例原则等。
2
A fixed-width layout may create excessive white space for users with larger screen resolutions, thus upsetting "divine proportion," the "Ruleof Thirds," overall balance and other design principles.
Support is the proportionof the transactions for which the rule is true, while confidence measures the proportionof the documents containing personA that also mention personB.
支持度就是符合这一规则的事务的比例，可靠度度量包含 personA 的文档也提到 personB 的可能性。