“特定语言在公共标识上的普及也起到信息功能，因为它表明了该语言可用于在相关领土内的公共和私人机构中进行沟通和获取服务。”

“The prevalence of a specific language on public signs also serves an informational function inasmuch as it indicates that the language in question can be used to communicate and obtain services within public and private establishments located in the pertinent territory.” (Landry 和 Bourhis, 1997, p. 25)