另外一個常用來表示效能的英文單字是 efficacy（聽發音），efficacy 這個英文單字有＂效、效能、功效＂的意思，我們中文說的特效或特殊效能英文是 special efficacy，efficacy 的形容詞型態為 efficient（聽發音），例如更高效能英文可以說 more efficient。
效能英文造句練習
The performance of the computer is improving.電腦的效能不斷提升。
Our production line is not performing well and the equipment needs to be updated.
我們的生產線效能不足，設備需要更新。
Since the introduction of automated warehouse management system, a significant increase in shipping performance.
自從引進了自動化倉庫管理系統，大幅度提升了出貨效能。
This is an era of performance-oriented.
這是一個注重效能的時代。
With the progress of engine technology, the new engine can have better performance.
隨著引擎科技的進步，新引擎能夠有更好的效能。
The performance of smartphones can be improved.
智慧型手機的效能還可以再進步。
Usually high performance products, the higher the price.
通常效能高的產品，價格也越高。
If we can not improve the performance of this equipment, we may consider replacing the new equipment.
如果不能提高這套設備的效能，我們可能會考慮更換新設備。
Through the sophisticated battery management technology to improve performance, electric cars can travel farther away.
透過精密的電池管理技術來提升效能，電動車可以行駛更遠的距離。