extrapolation
🇺🇸
/ɪkˌstræpəˈleɪʃn/
🇬🇧
/ɪkˌstræpəˈleɪʃn/
Estimating or predicting something based on known information.
We used extrapolation to predict the future sales of the product based on current trends.
我們使用外推法根據當前趨勢預測產品未來的銷售情況。