二氧化碳分压升高:spare the rod and spoil the child 是什么意思？

spare the rod and spoil the child 是什么意思？ spare and to spare End of the day-rod I can not spare the time. "Do not kill me!"begged the prisoner 这句话用spare 或者to spare 改写应该怎么做？ the sheep and the goats the concentration and the temperature The Ego and the Id The River and the Swan Beauty and the beast