Give the immune system a break from that life-or-death battle, and it might be better able to do the surveillance work of corralling stray cells that escape the initial treatment.

• 让免疫系统在生死搏斗后获得一些休息，这也许能让免疫系统更好地把最初治疗漏网的肿瘤细胞一网打尽。