a wealth of evidence的用法和样例：
- There was a wealth of supporting evidence.
- "There is a wealth of evidence to suggest that the cumulative effect of these little pleasures and happy moments can make us all live longer", they said.
- China has a wealth of coal, iron and other minerals.
- Kazakhstan has a wealth of oil and gas.
- This wealth of evidence is perilous to the Mafia.
- Jack has a wealth of management abilities.