The phrase "and built a system" is correct and usable in written English.
You can use it when describing the action of creating or establishing a system, often in a technical or organizational context.
Example: "After extensive research and development, the team successfully designed and built a system to streamline operations."
Alternatives: "and created a system" or "and developed a system."
He eventually contracted polio, and built a system of ropes and pulleys to help him in and out of bed.
Q. Can you give more details about how that works? A. We took our best product guy and some of our best engineers and built a system internally to help scale our organization by knowing everyone's objectives in the company.
Instead, Snowflake went its own way and built a system from scratch.
State oil company Pemex drilled dozens of new wells and built a system to inject nitrogen gas.
We focus squarely on design, while taking account of both technical and pedagogical issues and challenges, and provide an account of how we have designed and built a system with a very close fit to our knowledge of students' difficulties with the subject matter.
Hamas has since assembled thousands of rockets and built a system of underground bunkers.
Joseph Vranich, a former Amtrak executive and a leading proponent of developing new public-private compacts to replace Amtrak and build a system of high-speed rail lines that will strategically link to the nation's air-travel system, says not so fast.
A Conservative spokesman said: "The Conservatives have a plan to control immigration and build a system that puts the British people first.
"Our goal is to fulfill that demand and build a system at scale that can scale and that can operate in all these locales efficiently".
However, understanding how to leverage these developments to actually design and build a system remains more of an art than a science.
She believes this is just the starting point, and they hope to expand this kind of outreach across the country and build a system that is more welcoming and supportive of startups led by women.
