次优理论( theory of the second best)
举一反三
- Albert Einstein is a great ___________, best known for his Theory of Relativity.
- He is my best friends, my second self, as it______ .(be)
- In the second paragraph, the word “real” in “real goods” could best be replaced by ___ .
- Mencius inherited Confucius’s theory of ren, and added to it a second concept—li, which means righteousness, propriety, dutifulness.
- 权衡理论(Trade-of theory)