探索新文化时，保持开放的心态很重要。

It's important to ___have ___an ___open ___mind when exploring new cultures.

陪审团被要求在所有证据出示前保持开放心态。

The jury was instructed to ___keep ___an ___open ___mind until all evidence was presented.

我正努力对他们非常规的商业提案保持开放态度。

I'm trying to ___have ___an ___open ___mind about their unconventional business proposal.