-s

Art means, fine art such as painting, drawing and sculpture. Arts represent subjects such as commerce, economics, philosophy, history and other such non-science subjects.

www.usingenglish.com

liberal arts
ph. 文科
visual arts
ph. 視覺藝術
martial arts
ph. 武術
industrial arts
ph. 工藝課
performing arts
npl. 表演藝術

Powered by Oxford Chinese Dictionary

Bachelor of the Arts
Bachelor of Science

According to the Chicago Manual of Style, the preferred form in American English is toward without the -s, while the preferred British English form is towards with the -s.

www.dictionary.com