allow of something
phrasal verb with allow verb uk/əˈlaʊ/ us/əˈlaʊ/
formal
容许;容许有…的可能
If a rule or situation allows of something, it makes it possible.
This rule allows of no exceptions. 必须严格遵守这一规则，没有例外。
The evidence allows of only one interpretation - he was murdered by his wife. 这一证据表明只有一种解释——他是被他妻子谋害的。