The strong win and the weak are eliminated
Survival of the fittest
Neutral
市场的基本原则是优胜劣汰，如果你借钱给那些盲目投资的企业，你就得受到市场的惩罚 | Shìchǎng de jīběn yuánzé shì yōushèngliètài, rúguǒ nǐ jiè qián gěi nàxiē mángmù tóuzī de qǐyè, nǐ jiù děi shòudào shìchǎng de chéngfá
The market's basic principle is survival of the fittest. If you give your money to companies that invest blindly, you will suffer the market's punishment
[Source]
达尔文的理论认为，物种在自然环境中优胜劣汰，进化由此产生 | Dá'ěrwén de lǐlùn rènwéi, wùzhǒng zài zìrán huánjìng zhōng yōushèngliètài, jìnhuà yóucǐ chǎnshēng
[Charles] Darwin's theory posits that in nature, the strongest survive and the weak lose, and that evolution stems from this
[Source]
None
优胜劣败 (yōu shèng liè bài)
This is an HSK chengyu
Uncertain -- Either my resources all attributed this chengyu to different people or this information has been lost to history
This chengyu comes from a line in the work listed in the "Origin" section above