price performance的用法和樣例：
例句
- Experiments prove that the segment is sharp and endurable,and has a satisfactory performance cost ratio.
試驗表明，該工藝製備的金剛石刀頭鋒利耐用，並具有良好的性能價格比。 - Compared with the audio system based on the VBAP multi-channel effect sound technology, the proposed system has higher cost performance and is more practical.
與基於矢量幅度移動技術的多通路效果聲擴聲系統相比較，這裡提出的系統具有更好的性能價格比，是一種更為實用的擴聲系統。
