Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
observe =
1. ŠÖ
2. ŠÏ
3. •{
4. ŽY

ƒŒƒxƒ‹4. •ÏX
SDAL“‡‰pŒêŠwZ