You can train your mind to think positively.

你可以培养自己有乐观思想的能力。

《牛津词典》

Resilient people who think positively tend to treat every problem as a challenge, a chance for improvement of any kind, or as an opportunity for personal growth.

有韧性的人怀着乐观思维，往往把每一个问题都当作挑战，当作任何一种改进的机会，或者当作个人成长的机会。

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So always think positively about the world.

因此，总是要从积极肯定的角度来思考这个世界。

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She encourages her patients to try to go back to their old routines and to think positively about the future.

VOA: standard.2010.07.01

So, if we think about the force that occurs between a positively and a negatively charged particle, what we have is essentially a Coulomb force, so we can describe this as a force of attraction.

一个带负电的粒子之间，的作用力,这本质上就是库伦力，我们可以把它，描述成一个引力。

麻省理工公开课 - 化学原理课程节选

By the way, I didn't tell you this but I think you know that I picked my origin to be here and measured y positively to be upwards and I called that 15 meters.

顺便说一下,虽然我没明确指出,但我想你们应该都知道,我把原点取在这里,并规定y的正方向朝上,我设把这里的高度为15米

耶鲁公开课 - 基础物理课程节选

The report shows just 39 percent of those surveyed think positively about the faith itself.

NPR: Poll: Fewer Americans Link Islam to Violence

It ignites others to return the smile, and thereby think positively also.

FORBES: New Data on Smiling

Seeking to think positively, one diplomat suggested that Mr Ahmadinejad's return to office would at least eliminate a lengthy transition between administrations.

ECONOMIST: Iran's election