貌似我的解释有些问题,180天是从过期日开始算起的,所以早申晚申貌似没影响。如 果这样,想跳槽的话,我觉得还是早申请吧~ If their post-completion OPT expires while the 17-month extension application is pending, students who timely filed their STEM extension applications with USCIS will receive an extension of employment authorization after their current employment authorization expires, but for no more than 180 days.