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Refers to two things that mutually help each other develop or grow; two things that complement and supplement one another
Neutral
经济的繁荣与政治的稳定相辅相成 | Jīngjì de fánróng yǔ zhèngzhì de wěndìng xiāngfǔxiāngchéng
Economic prosperity and political stability go hand in hand
[Source]
学校与家长的教育方法必须相辅相成 | Xuéxiào yǔ jiāzhǎng de jiàoyù fāngfǎ bìxū xiāngfǔxiāngchéng
The school and the parents' teaching methods must complement each other
[Source]
To go hand in hand
None
This is an HSK chengyu
《历书眼序》(Lì Shū Yǎn Xù), a work by 张岱 (Zhāng Dài) of the Míng Dynasty (明, 1368 - 1644)
This chengyu is from a line in the work listed in the "Origin" section above