au sein

In this respect; regarding this matter.

On condition that; provided that (followed by subjunctive).

A respeito de, sobre, em relação a.

Expressa a passagem de um lado para o outro de um espaço ou obstáculo. Também é usado em sentido figurado para indicar o meio ou a duração.

To approach a topic or problem; to deal with.

Existing in thought or as an idea but not having a physical or concrete existence.

In an abstract manner; conceptually.

Relating to education and scholarship.

In an academic manner; in relation to academic matters.

A distinctive mode of pronunciation of a language.