Something so special it must be preserved at all costs?
The computer was supposed to preserve life at all costs.
The child learned that certain things in the culture around him were worth preserving at any cost.
"These are considered a condition that should be preserved at any cost."
All I'm doing is trying to think up ways to preserve your practice, my mental health, and our marriage at the same time.
Only two such vehicles are preserved at the present time.
One of the units is preserved at the city museum.
No estate is worth preserving at the cost of our children.
If true, this might mean then some assets need to be preserved at all costs.
An announcer said the box would be preserved at a museum.