The black candle represents the African-American people, the red is for their struggles, and the green represents their hopes for the future.
黑色的蜡烛代表非洲裔美国人，红色代表他们的奋斗，绿色代表他们对未来的希望。
2
To one group, he was identified as "African-American," and another was told he was "Black".
在一组中，他被认定为“非裔美国人”，而另一组人则被告知他是“黑人”。
3
If it was known that "Black" people were viewed differently from "African Americans", researchers, until now, hadn't identified what that gap in perception was derived from.