刚投了一篇Polymer Engineering & Science，没两天给退回来了，说我的格式有问题，但是我已经按要求把图标一个一个分别上传了，而且组合成PDF看着没啥问题，可回信却这么说是什么问题啊，第一投稿求助前辈指点：Unfortunately, we cannot forward your submission for review since it was not submitted correctly. Specifically, one or more or your color images will be indistinguishable when reproduced in black and white. The general submission guidelines are listed below - you may also refer the "Author Guidelines" page of the submission website for additional direction:
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