有人自訂車牌為好玩、與眾不同，而大多賣得高價的車牌似乎都帶有風水意味，講意頭。
Actions that the Business-Module has to perform on the outside world are represented by an interface. That interface is implemented in the Infra-Module (see IAlarms and Alarms).
To address these threats, any real-world useful anonymous credential system has to have some mechanism to limit credential duplication. The most basic approach is to provide users with credentials that are limited in some fashion. There are a few different approaches to this:，更多细节参见体育直播
可转让电子运输记录应当采取可靠的方法或者通过可靠的交易系统，确保记录的单一性和完整性，保障持有人对记录的排他性控制。，这一点在体育直播中也有详细论述
For implementers, this promise-heavy design constrains optimization opportunities. The spec mandates specific promise resolution ordering, making it difficult to batch operations or skip unnecessary async boundaries without risking subtle compliance failures. There are many hidden internal optimizations that implementers do make but these can be complicated and difficult to get right.，推荐阅读heLLoword翻译官方下载获取更多信息
「能用」的标准：逻辑结构完整、视觉元素丰富（不仅是文字）、无需大量后期微调。