One day,an old clock told to an young clock that you shoud sway 525600 times!The young clock was horror-stricken,he said:"wow,so many,how can i do it?"Here another clock smile to him:"don't be fear of that,you merely sway one time with one second,hold on line every second,you can make it." The young clock thought joyfull that :"swaying one time in one second is not too hard,i'll have a try." Really,it so easy to sway one time.Unconsciously,one year is past,the young clock have swayed 525600 times.
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