难不难 t: F: e# u" g: g3 ^/ E+ k. s) N" o- v% X8 @4 E
I don't think anybody can answer this question accurately...! p- Y' L6 c! T. Z+ K3 M7 ]
/ S' @0 p n" C" d* ufor some people, 难' l' d' |0 b& K& A
for some people, 不难 0 m; s' X- I. ]' y+ ^" {/ I6 ^ - y( ]- Z+ l/ g% ^. bEvaluate yourself first