加起來, 總計
At the exits polite assistants will take the goods and add up the cost.
在出口處, 客氣的服務員把妳的商品接過去, 把價錢加在壹起。
與應有的數量相符
The numbers wouldn't add up.
這些數目加起來與總數不符。
〈口〉合乎情理
The little things we do add up.
我們做的每壹件小事都合情合理。
I can't understand this case; the facts just don't add up.
我不理解這壹案例, 這些事實不能說明問題。