房价指示工具对数千家酒店的房价历史数据进行分析，以决定目前的价格究竟是否优惠。
The rate Indicator analyses historical rate data from thousands of hotels to determine whether the current price is a good deal, or not a deal at all.
在JAR中包含特殊的文件，如manifests和部署描述符，用来指示工具如何处理特定的JAR。
Special files contained in the JAR, such as manifests and deployment descriptors, instruct tools how a particular JAR is to be treated.
现在我们要开始描摹正面的前板，使用钢笔工具来描绘下图指示区域。
We will now start tracing the Front Face of the panel, use the Pen Tool to trace the part shown in the image below.
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