Š¿Žšƒ‚ƒoƒCƒ‹ƒQ[ƒ€
Žc”O
research =
1. “s
2. ” 
3. Õ
4. ܠ

ƒŒƒxƒ‹3. •ÏX
SDAL“‡‰pŒêŠwZ