Sentence examples for been impossible to trace from inspiring English sources

However, in most cases of gastric actinomycosis, it has been impossible to trace the mechanism by which Actinomyces had reached the gastric wall [ 30].

It was impossible to trace serial numbers, however, as this procedure requires a special Interpol request.

The proverbial butterfly wing flap in this scenario is impossible to trace.

During refining, gold from different sources is mixed together so that it is impossible to trace.

It is impossible to trace the origins of the grandma movement or its close cousin, an obsession with nostalgia.

I imagined my family had fled to Italy after the war and it would be impossible to trace them.

The nature of Secret means that it is impossible to trace the authors of posts, or verify their identity.

Is it true that the borders of Central Europe are impossible to trace in any exact, lasting way?

There are 120,000 merchant ships at work today; 50 or so of those are controlled by Al Qaeda, but it's impossible to trace ship ownership with much accuracy.

"This is an industry full of knock-offs and slight variations of ideas, and it is impossible to trace who actually had the idea first".

Listening to these pieces in one sitting makes one believe in a Shostakovichian system of harmony whose principles elude analysis and whose fundamental premises are impossible to trace to any visible origins.