prima facie
adjective [ before noun ] law formal or specialized uk/ˌpraɪ.mə ˈfeɪ.ʃi/ us/ˌpraɪ.mə ˈfeɪ.ʃi/
初步认定的;建立在初次印象上的
at first sight (= based on what seems to be the truth when first seen or heard)
There is prima facie evidence that he was involved in the fraud. 有初步证据证明他参与了这场骗局。
For millions of Americans witnessing the event, it was a prima facie case of police brutality. 对于目睹了这起事件的数百万美国人来说，初看起来这是一起警察施暴案件。