American analysts have been somewhat cautious in estimating the size of the B2B market.
美国分析家们对评估企业间电子商务的市场规模颇为谨慎。
《柯林斯英汉双解大词典》
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B2B commerce, for example, didn't move mainly online by 2005 as many had predicted in 2000, nor even by 2016, but that doesn't mean it won't do so over the next few decades.