1,u can look the useful book when u by bus
/ s" A4 Y/ e6 B q2,u can use the fingers or pen to guide the content when u reading
+ P9 G9 K8 Q: T3 R/ t: v1 R, M# L同时看很多本书看起来很诱人
. W: U }0 J2 z6 Z! uIt's so attractive that u read some books at one time+ E' I* \/ Z$ A, G
4. 看一本书就像经历一次化学反应。
; [# i. J9 u/ H5 q4 z: j5 {Reading a book like undergo a Chemical reaction |