Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
association =
1. ‰ï
2. ‰H
3. –ˆ
4. —ˆ

ƒŒƒxƒ‹2. •ÏX
SDAL“‡‰pŒêŠwZ