Time is important in our life. 时间在我们的生活中很重要。

　　It includes seconds, minutes, hours, days and years. 它包括秒、分钟、小时、天和年。

　　1 minute is 60 seconds, and 1 hour is 60 minutes.  一分钟等于60秒，一小时等于60分钟。

　　A day is 24 hours, and it also equals to 1440 minutes. 一天等于24小时，也等于1440分钟。

　　What about a year? 那么一年呢？

　　A year is 365 days. It is 8760 hours, and it equals 525,600 minutes. 一年有365天，相当于8760个小时，52万5600分钟。