On the contrary, apart from some Dutch archives, a huge number of relevant sources written in different European langugaes have not been effectively tapped and utilized.

相比之下，除了部分荷兰文档案外，数量庞大的相关西文资料却一直未获有效开发利用。

youdao

These traditions come from Farid ud din Attar a later sufi saint and poet, who used earlier sources. Rabia herself though has not left any written works.

虽然拉比尔自己没有留下任何文字作品，但是这些来自里德阿塔尔，以及后来成为圣徒和诗人的苏菲的传统，都使用了更早的惯例。

youdao

And I'm mentioning to you Islamic primary sources and I think that's important because these are not sources that were written by, you know, polemicists or Christians or non-Muslims, but by Islam's own most authoritative and revered historians and theologians.

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