“®ŽŒƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
understand =
1.
‚à‚Â
2.
‚í‚©‚é
3.
‚½‚Â
4.
‚µ‚é
ƒŒƒxƒ‹4.
•ÏX
SDAL“‡‰pŒêŠwZ