Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
theory =
1. à
2. Žc
3. —
4. ŠX

ƒŒƒxƒ‹4. •ύX
SDAL“‡‰pŒêŠwZ