But convincing open-minded dairy people is actually not that hard, when you look at the economics.
2019年12月六级真题（第三套）阅读 Section B
柯林斯高阶英汉双解学习词典释义
ADJ-GRADED
思想开明的；愿意接受他人观点（或建议）的；无偏见的
If you describe someone as open-minded, you approve of them because they are willing to listen to and consider other people's ideas and suggestions.
例句
He was very open-minded about other people's work.他对别人的工作不存先入之见。
英汉词典释义
adj.
心胸宽的,能接受新思想的;无先入之见的,无偏见的
You can talk to her about anything—she’s very open-minded.你什么事都可以跟她谈,她思想很开明。It is advisable to take an open-minded approach to new ideas.对新思想采取不存先入之见的态度是明智的。The well-known writer is open-minded enough to admit that not all his novels are first-rate.那位著名作家很虚心,承认他的小说并非全是上乘之作。