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