Across
- 3. hidden dangers
- 6. cannot be resolved
- 9. barrier
- 10. straightforward
- 11. look like
- 12. imperfect
- 14. take issue with
Down
- 1. understand
- 2. work together
- 4. controversial
- 5. core
- 7. incomplete, incorrect (e.g. data)
- 8. overview
- 13. suspicious
- 15. the general meaning