sum total
noun [ U ] uk/ˌsʌm ˈtəʊ.təl/ us/ˌsʌm ˈtoʊ.t̬əl/
全部;总量;总和
The sum total of something is the whole of it, or everything
It's the sum total of what you eat over a long period that matters and not what you consume in a day. 重要的是你长期所吃的食物的总和，而不是你某一天所吃的东西。