For many there is a more or less unwritten code here .

对多数人来说，这里或多或少有个 约定俗成 的 文法。

In ancient times along with the development of political economy auditing legislation kept pace with the time from the unwritten rules of audit legislation scattered code developed into the systematic law .

在古代，随着政治经济的发展，审计立法也在不断的与时俱进，审计立法 从不 成文的、零散的 法典发展成为系统 周密的法律。

There is an unwritten but clearly understood code of behavior which if broken makes the person immediately the object of suspicion .

有一个 不 成文但很清楚的行为 规则，如果打破，就会使人立即成为嫌疑的对象。

High heels it turns out appeared to be part of the unwritten red-carpet dress code .

实际上，高跟鞋似乎是 不 成文的红地毯着装 规范之一。