Zài wàijiāo shàng, qiútóng-cúnyì shì yí xiàng zhòngyào yuánzé.
In diplomacy, seeking common ground while preserving differences is an important principle.
Tips
culture
Made famous by 周恩来 at the 1955 Bandung Conference as a guiding principle of Chinese diplomacy. The phrase is now standard in discussions of Chinese foreign policy and international negotiation.
grammar
Two parallel verb-object pairs: 求同 (seek sameness) + 存异 (preserve differences). The ABCD pattern where A+C and B+D are semantically opposite is common in chengyu.