Emotional business white-collar office background year-end work summary PPT template
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Emotional business white-collar office background year-end work summary PPT template
This is a PPT background picture with background music, Chinese styl...
Suitable for the production of various types of constructi...
On the left side of the slide is a line of flowers drawn b...
Keywords: black slide background, Europe, America, foreign...
Download a fresh and simple PPT border background template on a ligh...
Keywords: elegant, blue slide background, blue sky and white cloud...