机会成本

opportunity cost

(bound form) machine; mechanism / (bound form) aircraft / (bound form) an opportunity / (bound form) crucial point; pivot / (bound form) quick-witted; flexible / (bound form) organic

opportunity / chance / occasion / CL:個|个[ge4]

can (i.e. have the skill, know how to) / likely to / sure to / to meet / to get together / meeting / gathering / union / group / association / a moment (Taiwan pr. for this sense is [hui3])

to balance an account / accountancy / accounting

to balance an account / accounting / accountant

surname Cheng

to succeed / to finish / to complete / to accomplish / to become / to turn into / to be all right / OK! / one tenth

(manufacturing, production etc) costs

root / stem / origin / source / this / the current / original / inherent / originally / classifier for books, periodicals, files etc