Of nearly 100 Americans recommended to be studied, 77% were white, 18% were African American, 4% were Native American, and 1% were Latino.
在推荐学习的近100名美国人中,白人占77%,非裔美国人占18%,美国土著占4%,拉丁裔占1%。
Researchers estimate that 77 percent of the sodium the average American consumes arrives in his or her diet via processed foods.
研究人员估计,美国人钠的平均摄取量的77%直接来自于加工过的食物。
But researchers for the American Society for Microbiologyfound that only 77 percent actually do, when it comes to publicrestrooms. That's a 6 percent decline from a similar study in2005.
但美国微生物研究学会的研究人员指出,真正做到的人只有77%,比2005年的一项类似调查下降了6%。
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