1. For most shorthands, there is no such disambiguation issue and their values can be specified in any order. 对绝大多数的简写属性来说,并没有这样的歧义问题,因而简写属性的多个值往往可以随意排列。
2. The meanings and use of some shorthands have changed over time, others are sometimes ambiguous or have several meanings that are used depending on context, region or reporting unit. 这些速记的意思和用法都不是一样的,有时候它们是含糊不清的,而有时候就根据上下文,区域和报道的单元而拥有不同的意思。