Examinations are probably a poor instrument for measuring the quality of education because they concentrate on grades instead of abilities.

考试可能不是一个衡量教育质量的好方法，因为考试更看重成绩而不是能力。

youdao

As I said, tone quality differs from instrument to instrument.

正如我所说，不同乐器的音质是不同的。

youdao

If the instrument is worth a lot, the quality of the repair can make a big difference to its value, so a skilled restorer can set his price.

如果一副乐器很值钱，根据其价格不同，维修费也会有很大差别，熟练的维修工据此可以自己来定价。

youdao

Artiphon's method involves creating a high-quality muli-instrument device that uses an iPhone or iPod touch as its brain.

ENGADGET

The idea is that nano-vibrations would change the quality of the instrument itself based on acoustics, the environment, humidity, or even playing style.

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