專業知識 (zyun1 jip6 zi1 sik1) — professional knowledge [written and colloquial] in Cantonese
zyunˉ¹專jipˍ₆業ziˉ¹知sikˉ¹識简 专业知识
Mandarin Pinyin: zhuan1ye4 zhi1shi5
Meaning of 專業知識
nounprofessional knowledge [written and colloquial]
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