In this case, if four of the five philosophers simultaneously pick up their lower-numbered fork, only the highest-numbered fork will remain on the table, so the fifth philosopher will not be able to pick up any fork.
在这种情况下，当四位哲学家同时拿起他们手边编号较低的餐叉时，只有编号最高的餐叉留在桌上，从而第五位哲学家就不能使用任何一只餐叉了。