Meaning of bù fen:
bù fen
部分
Noun
part; portion; piece; Taiwan pr. [bu4fen4]
Zhè běn shū de yí gè zhòng yào bù fèn shì guān yú wèi lái kē jì de.
这本书的一个重要部分是关于未来科技的。
An important part of this book is about future technologies.
Zhège chéngshì de běibiān shì zhùzháiqū, ér nánbiān shì shāngyè bùfèn.
这个城市的北边是住宅区,而南边是商业部分。
The northern part of the city is residential, while the southern part is commercial.