For old canonical works, full text is generally available, often in multiple formats.
在老的权威作品中，常以多种格式提供全文。
Keep in mind, however, that CPM ads come in both text and image formats.
但请注意，每千次展示费用广告同时包括文字和图片格式。
Demonstrates how to read from a text file with multiple formats.
演示如何读取具有多种格式的文本文件。
Demonstrates how to read from a text file with multiple formats.
演示如何读取具有多种格式的文本文件。
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