•Drugs can slow down the progression of the disease.药物能减缓疾病的恶化。

•The novel follows the progression of a woman from youth to middle age.这部小说以一个女人从年轻到中年的经历为主线。

•She'd always worked with old people so becoming a nurse was a logical/natural progression.她一直从事和老年人相关的工作，因此成为一名护士是自然而然的事。