难不难. Y2 y. x- u$ w) P
7 K+ r$ q. P/ B) c! v) H& S% S
I don't think anybody can answer this question accurately... 5 e( `# V: |2 X1 ~& y) \( `& E/ i7 P' l1 Q; i
for some people, 难- u& P& i( c: a7 c
for some people, 不难 : {; Q+ R- h& p: e8 v. O, c# x8 j7 D ( f& x; d4 h; FEvaluate yourself first