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

ƒŒƒxƒ‹3. •ύX
SDAL“‡‰pŒêŠwZ