Once you have 12:34:56 as a truetime-of-day value, you can add a duration value to it to yield a later time.
得到表示为一天中某个时刻的值12：34：56后，可以加上一个时期值来得到稍后的一个时刻。
2
Truetime management means actually spending as much of your time as you can doing those things you want to do rather than activities you don’t care about.
真正有效的时间管理意味着将时间用在进行那些你愿意做的事情而非你毫不在意的事情上。
3
There are several other useful Google shortcuts and advanced search operators not mentioned here, but these five are the truetime savers I can't live without.