Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
convenience =
1. N
2. ’‡
3. •Ö
4. Ži

ƒŒƒxƒ‹4. •ÏX
SDAL“‡‰pŒêŠwZ