| 例句 |
These machines have increased our work efficiency many times.这些机器使我们的工作效率提高了许多倍。Economic efficiency does not always equate with health efficiency.经济效率提高了，卫生保健效率不见得会提高。It doesn't take a rocket scientist to work out that doubling productivity will improve profits.生产效率提高两倍可以增加利润，这并不难理解。 |