your answer no logic..5.39.217.76+ F; Z7 L0 k& u3 W# K
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how come human can turn to old man just in 1 days?公仔箱論壇* ]5 a: z: l' e4 J% J' a
i think u should change the question to early age using four leg (baby), middle age using two leg (adult) and old age using 3 leg (walking stick)?
% n D! J/ V9 I7 m/ cp/s: not everyone in old age also using stick to walk!9 {- Q" c( l# p% ~
" @5 S6 _5 C- r* c2 E+ Q/ |Just my opinion~ |