Cancer is a kind of persistent ailment.

癌症是一种顽症。

youdao

The selling beyond agreed area is one kind of marketing persistent ailment that is easy to be ignored, but has very strong antipersonnel force to the brand and enterprise.

所谓窜货，即渠道的跨区销售，是一种极易被忽视，但又对品牌和企业经营具有很强杀伤力的营销顽症。

youdao

The formation of the persistent ailment of street peace order is affected by various elements.

街面治安顽点的形成受各种因素的影响。

youdao

Sangomas believe that a persistent physical ailment is often a manifestation of a spiritual upset and they first need to address that, then they are guided by the ancestors on what the physical sickness is and how best to treat it, using traditional medicine.

BBC: Witnessing a South African healer at work