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