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