中国大学MOOC: Why people invented the first computer?
举一反三
- Why people invented the first computer?
- Who invented the first programmable computer?
- When electricity was first invented, people refuse to believe such a thing .
- 中国大学MOOC: Why is the first sentence of business news very important?
- 中国大学MOOC: In the west, it is not polite to call people by their first name.