当你感到沮丧或对自己产生怀疑的时候，请反复的正面肯定自己。

Repeat positive affirmations when you start to feel down or in the midst of self doubt.

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在骑行之前请反复检查轮胎。

Always check the tires before you ride.

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例如，很多期刊并不发表病例报告，因此请反复核实期刊发表的文章类型。

For example, many journals don't publish case reports. So, always double check what the journal does publish.

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