But , don 't forget social and professional etiquette .

不过，请别忘了社交和职场礼仪。

In the old days the etiquette was clear .

在以往的岁月中，礼节很清晰。

What is interesting in your case is that the penalties for ignoring etiquette are lower than normal .

你的情况中有趣的是，无视规矩的惩罚比正常情况下要低。

Etiquette questions will also arise among friends .

礼仪问题同样在朋友当中凸显起来。

I knew this city has a complex etiquette .

我知道，这座城市有一套复杂的礼仪。