It's a form of innate or unlearned optimism.

这是一种内在，无需习的乐观主义精。

Next up, Michalska says she'd like to examine whether negative associations can be unlearned.

米哈尔斯卡表示，接下来她想研究一下人们是否会在未经习的情况下懂得“消极联想”。

And that was the moment we unlearned that other lesson we had just learned a few seconds earlier.

在那时我们推翻了先前明白的道。

However, a famous expert in language pointed out that although children do learn some words by imitation and association, they also combine words to make meaningful sentences in unique and unlearned ways.

无论如何，一名著名的语言专家指出，尽管儿童通过模仿和联系习一些词汇，但他们也以独特的不而知的方式组合词汇去造一些有意义的句子。