到此阶段，我觉得增加流量来源对网络营销人员来说是一个很好的途径，因为。

It's my sense that increasing the diversity of sources is an excellent path for online marketers to take, especially at this junction, because.

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不论是Twitter还是Facebook，对于他们的广告收入或是关注度，根本没有任何损失。 网络营销人员最近预测2011年Twitter的广告收入将达到1.5亿美元，较之去年同期增加增加了两倍。

Neither Twitter nor Facebook is at a loss for ad revenue or attention. eMarketer recently predicted Twitter's 2011 ad revenue will reach $150 million, a 200-percent increase over last year.

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其次，由于网络营销预算相对较小，多数大公司把购买决策权外包给媒介采购人员。

Second, since digital marketing budgets are relatively small, most big companies outsource most of their buying decisions to media buyers.

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