Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
observe =
1. –]
2. ŠÖ
3. ŠÏ
4. ’P

ƒŒƒxƒ‹4. •ÏX
SDAL“‡‰pŒêŠwZ