higher-order的用法和样例：
例句
用作名词 (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.
法师虽然身居高位，得到众多的赞誉，却一直礼贤谦下，从不标榜自己的功德。 - 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.
高位孔要比低位孔难吹些，因为高位孔里面的簧片更下，需要更大的气流压力来振动，这样就需要你自己去把把握了，嘻嘻！
