商約

trade treaty (abbr. for 通商條約|通商条约[tong1 shang1 tiao2 yue1]) / to mutually agree (to do sth) (abbr. for 商量約定|商量约定[shang1 liang5 yue1 ding4])

Shang Dynasty (c. 1600-1046 BC) / surname Shang

commerce / merchant / dealer / to consult / 2nd note in pentatonic scale / quotient (as in 智商[zhi4 shang1], intelligence quotient)

to weigh in a balance or on a scale

to make an appointment / to invite / approximately / pact / treaty / to economize / to restrict / to reduce (a fraction) / concise