the bare bones
noun [ plural ] uk/ˌbeə ˈbəʊnz/ us/ˌber ˈboʊnz/
梗概
the most important facts about something, to which more detail might be added later
the bare bones of the story 故事梗概
I don't need all the details - just give me the bare bones. 我不需要所有的细节——只告诉我梗概就行。