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