Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
period of time =
1.
‹Ž
2.
¤
3.
Šú
4.
ŠJ
ƒŒƒxƒ‹3.
•ÏX
SDAL“‡‰pŒêŠwZ