a dearth of information的用法和样例：
- There seems to be a dearth of good young players at the moment.
- A large number of papers appear every year on ionic liquids (ILs), but there is still a dearth of information on their use in crystallization.
- A dearth of corn caused the prices to go up.
- A dearth of screens is partly to blame.
- The country has a dearth of people qualified to runthem.