通例 つうれい
tsū rei

Noun
no-Adjective

1. custom; general rule; convention

通例 つうれい、喫煙 きつえん許可 きょかしていません。
tsūrē kitsuenwa kyoka shite imasen.
As a rule, we don't allow smoking.
Adverb

2. usually; generally; normally; as a rule