Young workers tend to play the role of buffer in times of economic uncertainty and shock: they are typically among the first to be fired during economic downturns and the last to be rehired.
青年工人往往在经济不稳定和动荡时期起缓冲的作用：经济滑坡，青年人往往先被解雇；再也找不到其他人了，才会重新雇用他们。