Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
need =
1. —v
2. —{
3. α
4. ˆÝ

ƒŒƒxƒ‹4. •ÏX
SDAL“‡‰pŒêŠwZ