Œ`—eŽŒƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
convenient =
1.
Šë‚È‚¢
‚ ‚Ô‚È‚¢
2.
‹‚¢
‚‚悢
3.
•Ö—˜
‚ׂñ‚è
4.
Žá‚¢
‚í‚©‚¢
ƒŒƒxƒ‹4.
•ÏX
SDAL“‡‰pŒêŠwZ