The trick is not only to specify just one or even twodimensions of the objective, but also to understand how to help people better achieve the objective.
窍门在于，不仅要指定目标的一个、甚至两个维度，还要了解如何帮助人们更好地实现目标。
2
Think about dimensions of painting or architecture, but what are the twodimensions of music?
想想绘画或者建筑的维度，那么音乐的两个维度又是什么呢？
3
It represents the twodimensions of motivation and visibility.