図書印刷費
Book and printing expenses
Book and printing expenses
Research study expenses
Selling expenses
General and administrative expenses
Travel, transportation and communication expenses
Travel and communication expenses
Travel and transportation expenses
Communication and transportation expenses
Trading related expenses
Real estate related expenses
Miscellaneous expenses
Other selling expenses
Other general and administrative expenses
Other expenses
Other personnel expenses
Experimentation and research expenses
Development and research expenses
Technical research expenses
Research expenses
Repair and maintenance expenses
Amortization of long-term prepaid expenses