相得益彰[xiāng dé yì zhāng]
make the old and new contrast and complement each other; benefit by associating together; bring out the best in each other; by mutual help and co-ordinated effort, the two work together to better advantage than ever before; complement each other; Each impr
1. bring out the best in each other：脱贫致富 poverty alleviation | 相得益彰 bring out the best in each other | 相辅相成 supplement each other