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