Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
convenience =
1. ŽQ
2. •Ö
3. ‰Á
4. ‘²

ƒŒƒxƒ‹4. •ύX
SDAL“‡‰pŒêŠwZ