in my opinion，the most important thing in the world is time.however long one may live，his life consists of a certain number of years，and a year has only12months，a month30days and one day24hours.once you waste one hour，you can not get it back no matter how much you would pay for it.
even though you are the richest person in the world，you can not afford to waste your time，because it means that you are wasting your life.even though you are the most powerful person in the world，one hour has60minutes for you just as for everyone else who struggles at the bottom of the society.
some people think that the most important thing in the world is money.in their opinion，if you have enough money，you will have everything you want.i would like to ask them a simple question：can you buy time?
the only thing with which we can win more time is efficiency.if you work with high efficiency，you can do more in a certain period of time than other people.
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