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DAVID: Your sister is a fitness expert, huh?
大卫：你姐姐是健康专家啊？
youdao
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The expert point out physical exercise contribute directly to a person's physical fitness.
专家指出运动能对一个人的健康有很大的帮助。
youdao
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The expert point out physical exercise contribute directly to a person's physical fitness.
专家指出运动能对一个人的健康有很大的帮助。
youdao