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- “倒U曲线”假说"upside- down U curve" hypothesis
- 说persuade (politically)
- 倒U曲线inverse U curve
- 假说hypothesis
- 库兹涅茨倒U曲线Kuznets' reversed U curve
- 曲线(n) curved shape
- 倒U假说Inverted-U-Type Hypothesis
- 说法statement
- 真假true and false
- 说出utter
- 倒U型特征converse U type characteristic
- 说到respecting
- 说过quoth
- 倒U型假说Inverted-U Hypothesis
- 不用说it goes without saying
- 说起mention
- “倒U”理论invert "U" theory
- β假说beta hypothesis
- 倒U型联合炉"U" reverse connecting furnace
- 假说的hypotical
