再努力一点，再积极一点，任何问题都能解决。
Any problem can be solved with a little more effort and a positive attitude.
在户外环境中参加体力活动，不仅可以产生积极的心理效应，还能增强自信心，这一点我们再清楚不过。
We are only too aware of the positive mental effects and increased confidence associated with physical activity in an outdoor environment.
在户外环境中参加体力活动，不仅可以产生积极的心理效应，还能增强自信心，这一点我们再清楚不过。
We are only too aware of the positive mental effects and increased confidence associated with physical activity in an outdoor environment.
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