efficiency

EFFICIENCY noun

[ U ] uk/ɪˈfɪʃənsi/ us
B2 a good use of time and energy, without wasting any

действенность, продуктивность
fuel efficiency We must improve the efficiency of the industry.
№2 (2472)№2 (2472)№3 (2359)№4 (2354)№5 (2334)№5 (2334)№5 (2334)№5 (2334)№6 (2318)№7 (2316)№8 (2314)№9 (2310)№9 (2310)№10 (2302)