The police suspected that he was guilty, but they had no 'concrete' evidence against him. [=the police had no clear and definite proof that he committed the crime]
Countries must deal with the problem more 'concretely'. [=countries must develop more specific ideas for how they will deal with the problem]
Does anyone have any 'concrete' [='specific'] suggestions for how we can fix this?
(..) And every atom of uranium is like a bullet... penetrating everything in its path. - (SCREAMING IN PAIN) - Metal, concrete, flesh. Now, Chernobyl holds over three trillion of these bullets. (STATIC FEEDBACK) Some of them will not stop (..)2019 TvShow: Game of Thrones Title: Winterfell Season: 8 Episode 1