higher-order的用法和樣例：
例句
用作名詞 (n.)
- Although Dharma Master occupies a high position, and has attained much praise from the masses, nevertheless is thoroughly polite and modest, in order not to tout his own merit.
法師雖然身居高位，得到眾多的讚譽，卻一直禮賢謙下，從不標榜自己的功德。 - High notes are harder to play than low notes, because the reeds in high holes are much shorter.So they need higher air pressure to librate.So the next step will be your practice.
高位孔要比低位孔難吹些，因為高位孔裡面的簧片更下，需要更大的氣流壓力來振動，這樣就需要你自己去把把握了，嘻嘻！
