But an even more astounding result for us from this survey, which encompassed 1,000 adults a random telephone survey in January of this year, was that over 800 of the respondents - that's over four out of five people - say they are still buying green products, still buying green products in a very severe recession."

VOA: standard.2009.03.30

One is that there's four different colors and so you can see red, blue, yellow, green here - four different colors and that's all there are, there aren't more than four.

一是这些梯阶有四种不同颜色,你可以看到红 蓝 黄 绿,恰恰只有四种不同颜色,不多不少

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