Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
association =
1. s
2. ‰È
3. ‰ï
4. t

ƒŒƒxƒ‹2. •ÏX
SDAL“‡‰pŒêŠwZ