Often use the bubbles in the powerpoint presentation to write some text, dialogue, although there are several bubbles in PPT in shape also available but are common.
在PPT演示中经常用到标注框来写一些说明、对话文字，虽然PPT形状中也有几种标注框可用但都比较普通。
Often use the bubbles in the powerpoint presentation to write some text, dialogue, although there are several bubbles in PPT in shape also available but are common.
在PPT演示中经常用到标注框来写一些说明、对话文字，虽然PPT形状中也有几种标注框可用但都比较普通。
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