In theory, expenditure taxes are better than income taxes, since they do not punish saving.
理论上说，由于支出税不抑制储蓄，所以支出税比所得税更好。
2
When this comes to be known to that calculating organ it promptly tries to make a saving in its expenditure of attention.
但当这一点为精于算计的心理所知时，它对外界的注意力就立刻有所保留。
3
Once the body knows how to run fast, at slower speeds, there is less effort required resulting in reduced energy expenditure which will assist in saving energy for the latter stages of any event.