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Žc”O
understand =
1. iƒMƒ^[‚ðj‚Ђ­ i‚¬‚½‚ ‚ðj‚Ђ­
2. ‚í‚©‚é
3. ‚ ‚炤
4. ‚¨‚·

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ƒŒƒxƒ‹4. •ÏX
SDAL“‡‰pŒêŠwZ