Knowing how to display these two qualities takes practice.

知道怎样运用这两中品质需要练习。

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It comes down to three things: Understanding the benefits of talking to strangers. Knowing how to deal with the occasional rejection or unpleasant encounter. Breaking down your fear through practice.

归结为三件事：理解与陌生人交谈的好处，明白怎样应付偶然出现的拒绝或者使人生厌的遭遇，通过练习克服恐惧。

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Knowing how to interpret all those signs and symptoms takes up much of a doctor's education and is refined over a lifetime of clinical practice.

了解这些信号和症状的含义在医生的培训中占有很大的比重，医生还需在其整个职业生涯的临床实践中不断完善这个本领。

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"We were all driving like idiots in that first practice knowing it was probably going to rain, " he said.

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Knowing that I could practice yoga and do my core workout in my room, allayed my first-time cruise anxieties.

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And fortunately, we are increasingly learning to practice it without knowing it--thanks to overconfident entrepreneurs, naive investors, greedy investment bankers, confused scientists and aggressive venture capitalists brought together by the free-market system.

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