All things being equal, the best solution is the one that takes the least amount of totaltime (including maintenance time for fixing and support).
当所有事情的机会成本均等时，最好的解决方案是选择那个总时间花费最少的(包括修理和维护的时间)。
2
It is a total capture solution to save you time and boost productivity.
它是一个总俘解节省你时间，提高生产力。
3
A constructible definition of the directed acyclic graph was described, and the reason why exists a solution that does not exceed the total execution time of all tasks was explained.