ルールです
rūrudesu
1. It is a rule.; Is a rule.
★ Common
Noun
#39782
1. It is a rule.; Is a rule.
1. rule
1. by rule; according to rules
1. Rules; Of rule
1. Was a rule.
1. If the rule; When the rule
1. If the rule…; When the rule…
1. Not a rule.; It's not the rule.
1. Probably a rule.; It's likely a rule.
1. Probably a rule.; It will likely be a rule.