To explain the cause is a legal obligation of administrative organ, the administrative subject should explain the cause of the unfavourable executive decision havingbeendone by them.
说明理由是行政机关的法定义务，行政主体应当对其做出的，对当事人不利的行政决定说明理由。
2
Because most portal projects are enterprise in nature, having "been there, done that" is a good thing.
由于大多数门户项目实际上是企业项目，因此只要做过了即可，这是一件好事情。
3
For its part, CTNH has been ridiculously obdurate: having said it would not let the name issue stop CTCBN's integration into Euroatlantic organisations, it has done exactly that.