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