Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
period of time =
1. –û
2. Šú
3. Ӎ
4. ˆ«

ƒŒƒxƒ‹3. •ύX
SDAL“‡‰pŒêŠwZ