unfounded and unsubstantiated 毫无根据; 接受健康监察 unfounded argument 缺乏证据的论断 ..
权威例句
1.
"We regret that Craigslist felt compelled to resort to unfoundedandunsubstantiated claims in order to divert attention from actions by Craigslist's board that unfairly diluted our minority interest, " eBay spokeswoman Kim Rubey said in a statement.