讲解文本：

unspoken rule 不言而喻的规矩，潜规则
This game is following some unspoken rules.
这个比赛有一些潜规则。
I'm new here. Could you tell me about the unspoken rules in this company.
我是新来的，能不能跟我说说这个公司的潜规则？

疯狂练习吧！