请教大家，这个到底是什么意思啊，谢谢

十一月月月UID: 3400545

To apply to the program, applicants must submit a complete application file, containing all the following documents.
The tables of contents and 10-page excerpts of the most important papers written in the course of university studies or otherwise, if available in English, French, German, Italian or Spanish;
这个是说如果有相关的paper就提交
还是说paper是一定要提交的如果能翻译成这些语言的就更好了
还是什么其他的意思呢，真心请教，谢谢！！！