Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
study =
1.
2. Ω
3. •S
4. Šw

ƒŒƒxƒ‹1. •ÏX
SDAL“‡‰pŒêŠwZ