5.Furthermore, Frincke here publicly offered " personal instruction and training in practical mathematics, bookkeeping, and all branches of the business life, including stenography, typewriting, etc" .
此外,Frincke 在这里公开提供“实用数学、簿记和商业生活的所有分支,包括速记、
等方面的
人指导和培训”。机翻