Market cost can include advertisement cost, propagandist cost, a few charge during inspecting personnel if: Traffic expenses, accommodation cost, board expense is waited a moment.

市场费可以包括广告费，宣传费，考察人员考察期间的一些费用如：交通费，住宿费，伙食费等等。

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Traffic jam leads to expense and unpredictability, things that keep investors away.

交通堵塞会产生额外开销和不可预测性，这让投资者望而却步。

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Whole-hearted pursuit of more general, high-traffic search terms at the expense of lower-volume, high-conversion keywords may send you (and your money) barking up the wrong tree.

一心追寻更为通用及高流量搜索词，而忽略量小但高转换率之关键词，乃错投精力及金钱之举。

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Some aviation experts say the elimination of overnight shifts should have been carried out regardless of the sequester at facilities that don't see enough traffic to justify the expense of staffing towers.

NPR: FAA To Close 149 Air Traffic Towers Under Cuts

Paying for advertising to drive traffic is more expensive than discounting, so this change seems to increase the advantage of the big players at the expense of the small.

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