a domino effect
骨牌效应

Those workers make good money. Why are they on strike?
（这些工人的收入不错。他们为什么要罢工呢？）
It's a domino effect. Other lower-paid workers just got their wages raised, so now everybody wants more money.
（这是骨牌效应。其它工资较低的工人刚获得加薪，所以现在每个人都想要更多钱。）