研究人员已经开始更密切地关注我们可以改变的方式。

Researchers have begun looking more closely at ways we can change.

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但如前一层次，如果我们开始感到易受攻击，可以说，我们已经改变了观点或想法以免发生冲突或受伤。

But like the previous level, if we begin feeling too vulnerable, we can say we've switched our opinions or changed our mind in order to avoid conflict or pain.

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我们大致估计有60%的人身体超重，我们对于正常饮食的观念，几年前已经开始改变。

Given that 60 percent of the population is overweight, our view of normal eating has changed over the years.

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