Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
know =
1.
’m
2.
‰È
3.
“
4.
‰€
ƒŒƒxƒ‹2.
•ÏX
SDAL“‡‰pŒêŠwZ