0 g0 y8 B% r6 Z2 [% eI don't think anybody can answer this question accurately...# Y3 {! T/ @1 E% D7 \
1 s3 F' a; k0 E5 c, @! efor some people, 难3 ^* d. M6 ]: g2 O( Q- s2 j" G
for some people, 不难 % Z* L/ ?/ f Y. h9 _5 I/ ~1 E& e; i( }
Evaluate yourself first