... 实际消费者 actual consumer 随机概率抽样 random probability sample 市场细分 market segmentation ...
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non-random probability sample 非随机概率样本
random probability sample
随机概率样本
以上为机器翻译结果,长、整句建议使用 人工翻译 。
The monthly Consumer Confidence Survey, based on a probability-design random sample, is conducted for The Conference Board by Nielsen.
FORBES: Consumer Confidence Index Gets a Holiday Boost
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