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