Barbara Jordan became the first African-American woman to be elected to the United States Congress to represent Texas.
VOA: special.2010.05.09
Well the first idea is that these numbers represent utiles or utilities.
首先这些数字代表了效用或者说功利
Well the first idea is that these numbers represent utiles or utilities.
首先这些数字代表了效用或者说功利
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