efficiency
The French word 'efficacité' is used similarly to the English term 'efficiency'. It refers to the state or quality of being efficient, or achieving maximum productivity with minimum wasted effort or expense.
I appreciate the efficiency of your work.
This is a phrase somebody might use to praise someone else's work efforts, especially in a professional context. They're expressing their satisfaction with how efficiently the other person works.
Energy efficiency is a priority for our business.
This phrase might be used by businesses or organizations who focus on sustainable practices. 'Energy efficiency' here refers to the concept of reducing the total energy consumption.
We need to measure the efficiency of our marketing campaign.
In this phrase, someone suggests evaluating how productive or successful a specific marketing initiative has been. This may involve looking at various metrics or outcomes to judge the campaign's effectiveness.