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