Japan now has persistent deflation - a period of falling prices.

日本现在一直处于通货紧缩状态——在这种状态下，价格是呈下降趋势的。

youdao

He has persistent constipation.

他经常便秘。

youdao

Immediate medical attention should be sought if a child has persistent fever, unusual changes in behaviour and deteriorating condition, or for cases in doubt.

如儿童持续发烧举动异常和情况恶化，或对病情有怀疑者应及早求医诊治。

youdao

China did not make any additional statements regarding its currency policy, which has been a persistent issue.

VOA: standard.2010.05.25

Ethiopia has denied persistent reports that Ethiopian troops are actively engaged in Somalia's civil war.

VOA: standard.2009.08.21

"But taken together,this bold, persistent experimentation has brought our economy back from the brink.

VOA: standard.2009.08.25

So, to put this in human terms: a mother whose child has persistent, uncontrolled asthma has a zero or near-zero chance of being rejected by a doctor if the child has private insurance.

FORBES: New England Journal: Two-Thirds of Medicaid Children Denied a Doctor's Appointment, vs. 11% for the Privately Insured

Hall said there is no history of any kind of cancer in her family, but her physician has been persistent.

CNN: After the mammogram storm, what should women do?

Menino, who used a cane to walk to the podium, has had persistent health problems including a six-week hospital stay last year to treat a respiratory infection and a compression fracture in his spine.

NPR: Boston Mayor Announces He Won't Seek Re-Election