改变过往 meaning in English

erase the past

Administrative instructions , staff handbooks , training materials , reference materials , guidelines , monthly reports etc were uploaded onto the intranet to facilitate updating and retrieval on - line and dispense with the practice of keeping personal hard copies
上载行政训令、职员手册、培训资料、参考资料、指引、月报等到内联网，以便更新和进行联机检索，并可改变过往个别保存纸张印本的做法。
If ha has switched from its previous policy of bearing most of the expenses for first - line drugs to arranging for the expenses of the existing and new first - line drugs to be subsidised by charity funds , and to conducting income and asset tests on the subsidy applicants
（三）医管局是否已改变过往提供第一线药物的大部分费用的政策，并改为安排由慈善基金津贴现有及新增的第一线药物的费用，以及审查有关津贴申请人的入息和资产？