最近你很容易在卢旺达找到乐观主义。

Optimism is surprisingly easy to find in Rwanda these days.

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事实上，那些在接受治疗之初就非常乐观和自我的人，似乎更不容易减肥。

In fact, patients who started the program with high levels of self-orientation and optimistic characteristics were less likely to lose weight.

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根据Robert Emmons的说法，每周怀着感恩的心写感谢信会使你更健康，更乐观，更容易达成个人的目标。

People who keep gratitude journals on a weekly basis are healthier, more optimistic, and more likely to make progress toward achieving personal goals, according to author Robert Emmons.

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