关于线索二叉树，以下说法正确的是？

The sudden shift in consumer preference towards eco-friendly products, once considered a niche market, has forced many established companies to re-evaluate their production processes. This scenario illustrates the dynamic nature of the market where previously dominant strategies can become obsolete if they fail to adapt to changing _____.

在知识经济中，以下哪项最能体现知识付费对个人学习的影响？

根据给定的文本，在探索冲突时，观察到的不一致性是指什么？

根据动机和情绪的原则，以下哪一选项最能说明‘我们可以接受一个人的动机和情绪，同时不接受他的行为’？