Sent_en: 2zh CN Rail used to have part-time positions filled as well , but at this time there are no part-time employees to cover work if a full-time employee is absent .
Sent_yy: 加拿大国家铁路公司过去也采用过兼职岗位替补的办法，但是这一次不同。如果全职员工不在位，那么也没有兼职员工来替岗。