“®ŽŒƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
know =
1.
‚µ‚é
2.
Œ©‚é
‚Ý‚é
3.
o‚©‚¯‚é
‚Å‚©‚¯‚é
4.
s‚
‚¢‚
ƒŒƒxƒ‹4.
•ÏX
SDAL“‡‰pŒêŠwZ