Sentence examples for sustaining a boundary between from inspiring English sources

Among many other features, general systems theory claims that systems maintain contact to their respective environment in a very selective fashion, despite sustaining a boundary between the system and its environment.

There was not a boundary between them.

PROFESSOR: A boundary between reversible and irreversible?

An attempt to find a boundary between reality and exaltation?

transform plate boundary — a boundary between lithosphere plates that slide past one another.

convergent plate boundary — a boundary between two lithospheric plates that move towards each other.

Is there a boundary between fact and fiction?

STUDENT: Is there a boundary between reversible and irreversible?

Death became an endless ache, a boundary between realms, a transfiguration, a ritual.

It is a boundary between the green park and the concrete city.

(Cyrus dies, in fact, after ill-advisedly crossing the river Araxes, considered a boundary between Asia and Europe).