这些博客雇佣职员进行写作和广告销售，显然是将博客作为商业工具来运作的。
These blogs are explicitly run as businesses, with paid staff doing the writing and sales departments selling advertising.
不过，很多博客已开始了媒体业务，雇佣职员，按照常规的原则进行新闻报道，还有销售广告。
But many bloggers have created media businesses that employ people, cover the news on a regular basis, and sell advertising. They have created newspapers without the paper.
试验性操作，初试阶段雇佣职员或操纵机器的最初阶段，在此期间可对一个人或物的表现进行评估和调整。
An initial period of employment or operation during which the performance of a person or thing may be evaluated and adjusted.
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