Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
association =
1. ‰ï
2. –î
3. ‰È
4. –œ

ƒŒƒxƒ‹2. •ύX
SDAL“‡‰pŒêŠwZ