他对现代艺术抱有一种封闭的态度。
He has a ___closed mind when it comes to modern art.
带着封闭的思想去旅行会阻碍我们真正欣赏其他文化。
Traveling with a ___closed mind prevents us from truly appreciating other cultures.
他们对创新的封闭态度正在阻碍进步。
Their ___closed attitude towards innovation is hindering progress.