Police have not determined a cause of death, and much remains unknown about the circumstances of her demise.

警方暂未确认死因，因此关于她的死因还是个未知数。

youdao

Some medical colleges still have not determined whether put teaching conducted in English into practice or not.

目前，一些院校的师生和教学主管部门对全英教学的实施持观望的态度。

youdao

youdao

Authorities have not determined the source of the infection, said Hong Kong's Chief Executive Donald Tsang.

CNN: Swine flu 'not stoppable,' World Health Organization says

He said authorities have not determined how the measure will be enforced, but it will be mandatory.

WSJ: Myanmar Child Law Sparks Opposition

Police have not determined whether the firearm was privately owned or issued by the military, the newspaper said.

CNN: STORY HIGHLIGHTS