摘要
When the coronavirus disease 2019(COVID-19)pandemic exploded in the United States in March 2020,the US Congress passed a bill to provide extra unemployment benefits to the record numbers of people who had lost their jobs.The task of disbursing the money fell to the individual states,but in more than 20 of them,aged computer systems struggled to handle the surge in claims,delaying payments to many financially strapped residents by weeks and even months[1,2].
