难不难+ W& @' x w4 E, c _) D# T
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I don't think anybody can answer this question accurately... 3 H& z y. \' q+ y; z0 w# U( H9 Q' N# j2 D- T2 m
for some people, 难 4 C; G; Z. M; H7 _& @2 { u$ K6 Z bfor some people, 不难 . E* v7 r# d! q" G % K$ h7 Z6 C' F% r9 Q% oEvaluate yourself first