The phrase "a better and efficient" is not correct in written English due to the inconsistency in form.
You can use it when comparing two qualities, but it should be "a better and more efficient" to be grammatically correct.
Example: "We need to find a better and more efficient way to complete this project."
Alternatives: "an improved and efficient" or "a superior and effective".
The transition of the country from a Communist authoritarian pattern of emergency preparedness to a democratically civilian emergency system challenges the assessment of emergency preparedness and adds more complexity in designing a better and efficient system.
The study proposes a better and efficient design of biogas plant which is suitable for using in houses and canteen.
(1) It was reported that the results were superior to the subclavicular block due to a better and efficient pain control.
Hence, there is a requirement for comparative study to address the relative performance of the above-mentioned cases and hence to arrive at a better and efficient flow configuration.
The product seamlessly brings together people, places and technology to create a better and more efficient workplace, and a more effective workforce.
"We also remain committed to legislating on reform of our court system to provide a better and more efficient service.
In clear, unmistakable language, the court demanded a better and more efficient procedure for processing gender-change requests on state-issued I.D.s.
Riches insisted the federation was committed to a better and more efficient police force but that he wondered whether that was what the government wanted.
Where else in the world would people try to make a better and more efficient taxi service, thermostat or tool for revolt?
These findings could lead to a better and more efficient design of the opening region of a beam in the future.
Our findings provide strong evidence that cereblon-based PROTACs provide a better and more efficient strategy in targeting BRD4 than traditional small-molecule inhibitors.
