“®ŽŒƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
understand =
1.
‚ ‚¯‚é
2.
‚í‚©‚é
3.
‚í‚·‚ê‚é
4.
‚©‚è‚é
ƒŒƒxƒ‹4.
•ÏX
SDAL“‡‰pŒêŠwZ