买书攻略|分享读书up主如何购买低价正版好书（2）
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| MP4 | N/A | 480P | Download |
| MP4 | N/A | 480P | Download |
| MP4 | N/A | 360P | Download |
| MP4 | N/A | 360P | Download |
| AUDIO | |||
| MP4 | N/A | mp4a.40.2 | Download |
| MP4 | N/A | mp4a.40.5 | Download |
| MP4 | N/A | mp4a.40.2 | Download |
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JPEG | Origin Image | Download |
作为读书up，虽然会收到出版社的寄书，但有时候部分书籍也需要自己购买！也因此平时买书需要各种比价，这条视频就带大家了解，如何低价购买正版书籍！
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