[交流] 在springer投稿时出现Entering a Comment 情况，请高人指点

原文如下： Entering a Comment is Required for Submission. Comments are required for Submission. Enter any comments you would like to send to the editorial office. These comments do not appear in your manuscript. Springer offers two options for reproducing colour illustrations in your article. Please let us know what you prefer: 1. Free online colour. The colour figure will only appear in colour on www.springer.com and not in the printed version of the journal. 2. Online and printed colour. The colour figures will appear in colour on our website and in the printed version of the journal. The charges are EURO 950/US DOLLAR 1150 per article. 该项必须要写，我不知道该写什么内容 谢谢了。

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