Ford is a US car companycompanyL1公司；企业an institution created to conduct business and it used AI to check car qualityquality/ˈkwɒlɪti/L1质量，品质how good or bad something is. But AI did not work well and could not find all problems in the cars. So Ford rehired over 300 human engineersengineers/ˌendʒɪˈnɪəz/L1工程师people who design and build things like machines or roads and these workers have many years of experienceexperienceL1通过直接参与事件或活动而积累的知识或技能the accumulation of knowledge or skill that results from direct participation in events or activities.
Ford thought AI would save money. But AI made mistakesmistakes/mɪˈsteɪks/L1错误things that are wrong or not correct because the best workers did not train it. Now the human engineers traintrain/treɪn/L1训练，培训to teach someone or something how to do a job or skill the AI and teach younger workers how to find problems. Ford learned that AI is a good tooltool/tuːl/L1工具something that helps you do work but needs good informationinformationL1衡量结果不确定性的数值指标a numerical measure of the uncertainty of an outcome from humans. Humans are still very important for quality and Ford was happy to have them back. The company is now doing better because of the workersworkersL1工人workers. They help make better cars and fix problems.
