Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
abstract thing =
1.
•‰
2.
’
3.
Ž–
4.
—R
ƒŒƒxƒ‹3.
•ÏX
SDAL“‡‰pŒêŠwZ