Ask a student who has failed a final exam.就去问期末考试不及格的同学

　　To realize the value of one month: 要想知道一个月的价值

　　Ask a mother who has given birth to a premature baby. 就去问生那早产儿的母亲

　　To realize the value of one week: 要想知道一周的价值

　　Ask an editor of a weekly newspaper. 就去问问周报的编辑

　　To realize the value of one hour: 要想知道一小时的价值

　　Ask the lovers who are waiting to meet. 就去问等待相会的恋人

　　To realize the value of one minute: 要想知道一分钟的价值

　　Ask a person who has missed the train, bus or plane. 那就去问问误了火车汽车或飞机的人

　　To realize the value of one second: 要想知道一秒的价值

　　Ask a person who has survived an accident. 就去问大难不死的人

　　To realaize the value of one millisecond: 要想知道一毫秒的价值

　　Ask the person who has won a silver medal in the Olympics. 就去问问奥运会获得银牌的人

　　Time waits for no one.时间不等人

　　Treasure every moment you have.你拥有的每一分每一秒都要珍惜