还有实习内容：
1. https://www.tesla.com/careers/search/?site=US
调整Filters，可见世界各地，不同专业等。
2. https://www.spacex.com/careers/jobs/
3. https://www.boringcompany.com/careers#Jobs
4. https://nucor.com/careers
5. https://www.sos.ca.gov/elections/poll-worker-information
