Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
convenience =
1. •Ö
2. ‹ƒ
3. ŠÏ
4. ‘©

ƒŒƒxƒ‹4. •ÏX
SDAL“‡‰pŒêŠwZ