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