HSK 7-9
繁多
fánduō形
many and varied; of many different kinds
网上课程种类十分繁多。
Wǎng shàng kè chéng zhǒng lèi shí fēn fán duō.
Online courses come in a great variety.
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Appears across levels (7-9) in the HSK 3.0 word list.