perform ce的用法和樣例：
例句
- The engine oil must perform many direct functions, while not causing any debits in other areas of engine performance.
機油有很多功能，然而它會(huì )在發(fā)動(dòng)機性能的其他方面也引起很多缺點(diǎn)。 - A performance product must perform correctly in the end-use for which it was designed.
性能產(chǎn)品必須正確地用于最終設計目的。
