Daily Chinese Idiom Guessing Game
Mostly the same but with small differences; similar in general but with minor discrepancies.
大体相同，略有差异。
《庄子·天下》大同而与小同异，此之谓小同异；万物毕同毕异，此之谓大同异。”
The two proposals are essentially the same, with only a few minor changes — they are mostly alike but with small differences.