“®ŽŒƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
do (work) =
1.
‚·‚é
2.
Œ¾‚¤
‚¢‚¤
3.
‚¨‚è‚é
4.
i‚µ‚²‚Æ‚ðj‚â‚é
ƒŒƒxƒ‹4.
•ÏX
SDAL“‡‰pŒêŠwZ