因此，你每天晚上从新闻所了解到的道琼斯指数，都只不过是这些股票价值的一个加权平均数，正因为如此，道琼斯指数只能作为衡量它自身价值的一个数值来考虑。

So the Dow Jones number you hear in the news each night is simply this weighted average of stock prices. Because of this, the Dow Jones Industrial average should just be considered a price in itself.

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通用汽车的破产导致其被道琼斯工业平均指数除名，道琼斯工业平均指数由30只股票价格的加权平均数构成。

GM's bankruptcy caused it to be removed from the Dow Jones Industrial average, a weighted average of 30 stocks.

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