“®ŽŒƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
understand =
1. ‚ ‚é
2. ‚¯‚·
3. ‚í‚©‚é
4. ‚©‚¦‚·

ƒŒƒxƒ‹4. •ύX
SDAL“‡‰pŒêŠwZ