难不难 % t. q k8 y2 @1 W: y& R 1 s4 x# t1 X0 D8 mI don't think anybody can answer this question accurately...3 V* N: C2 r, e O6 t
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for some people, 难- G/ r! o$ e" H
for some people, 不难& P+ I1 m/ \$ d. Y( z1 J
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Evaluate yourself first