a; hello,how about you
b; i am fine ,and you
a; not bad,i feel present life is very dull
b; why?
a; you know for my great goal,i have to down my heart to study well,there is no extra time to exercise.
b; i don't think so.you know,we could enjoy ourselves on studying and share the command knowledge.The more you learn,the happier you are.
a; how do you do that
b; everyday,i catch every second to study.Little by little,it is a great treasure to learn the knowledge.
a; i should set you as my example