以下小节将讨论DataStage支持的两种查找方法：普通查找和稀疏查找。
The following sections explain each of the two kinds of lookups that the DataStage supports: normal and sparse.
以下表格反映出一家普通酒店通过不同渠道所获得的收入情况。
The chart below represents the revenue the hotel keeps by channel for an average hotel.
以下的展示并不是一个系统性的排名或评论，但可以用来作为这个充满活力但却经常困扰你深入了解的互联网世界的普通指引。
What follows is not a systematic ranking or review, but a general guide to a very vibrant world that few have bothered to explore in depth.
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