How to Use "unsound" with Example Sentences

1. For years , greek fiscal policy had been unsound .
2. Problems of supervised entities behavior and the unsound internal governance mechanism .
3. She is psychologically unsound .
4. Badly managed , heavily indebted and structurally unsound companies are sadly falling by the wayside like victims of the plague .
5. It can solve the problem of unsound institutions comprehensive budget management system , budget ineffective , improve competitive strength of technology test institutions in technology test industry .