standard number的用法和樣例：
例句
- By the end of the number they were all finally playing on the beat.
樂曲快結束時，他們終於都演奏合拍了。 - Today, a number of composers write electronic music as well as ordinary music.
如今，許多作曲家除了譜寫一般樂曲外，還譜寫電子樂曲。 - By the end of the number they were all finally playing on the beat.
樂曲快結束時，他們終於都演奏合拍了。 - Today, a number of composers write electronic music as well as ordinary music.
如今，許多作曲家除了譜寫一般樂曲外，還譜寫電子樂曲。
