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