Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
period of time =
1. Žw
2. Šú
3. ˆã
4. ’k

ƒŒƒxƒ‹3. •ÏX
SDAL“‡‰pŒêŠwZ