I think he wanted to train their abilities of deep thinking.

我想他是想训练他们的深度思考能力。

youdao

Paranoia on the train » Extremes of paranoid thinking are associated with mental illness, but we all have paranoid thoughts from time to time.

» 列车上的妄想狂 »偏执的想法走向极端就是精神疾病了，但我们所有人时不时地都会有偏执型的想法。

youdao

We can train black youths, we can move their families to better neighborhoods, etc., but changing their way of thinking is not so easy.

我们可以培训青年黑人，我们可以将他们的家庭搬到更好的街区，等等等等，但改变他们的思维方式却并不那么容易。

youdao

Recently I was on a train to DC, thinking about human beings as tribal creatures.

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