The （efficient）of our production means we have cheaper products.
举一反三
- The ____________ of our production means we have cheaper products. A: efficient B: efficiency C: efficiently D: efficial
- The ____ of our production means we have cheaper products. A: effect B: economic C: efficiency D: efficient
- The _________ of our production means we have cheap products.
- Due to increased costs for materials used in our manufacturing process, we have to increase the wholesale price of our products.
- By （） a cheaper material for the steel in our products, we can greatly reduce manufacturing costs. A: substituting B: replacing C: alternating D: displacing