PHRASE
根據(jù)現(xiàn)有的信息推斷
If you put two and two together, you work out the truth about something for yourself, by using the information that is available to you.
例句
Putting two and two together, I assume that this was the car he used.
根據(jù)我的了解，我猜想這是他曾開過的車子。