The Silk Road was more than just a path along which silk was exported
^^^^^
from China.
請問一下，along 是從which後面提到前面(的那個文法)嗎?!
如果是，請問他原本是跟在後面哪個字後！！ exported 嗎?!

原本是修飾動詞詞組 [export <silk> (from China)]Silk was [[exported [along the path]] from China]或 [[exported [from China]] [along the path]]