你好，看您好像是华人，我就用汉语提问了。

[mfxss]

算法1中的u是将v s 做列向量得到的矩阵的奇艺向量，而之后您又提到
“In other words, the final sentence embedding is obtained by subtracting the projection of ˜ c s ’s to their first principal component. This is summarized in Algorithm 1.”，
如果只看算法1好像并没有用到cs这个向量，还是说u就是通过cs得到的呢？
train.sh文件是只针对有监督任务的对吧？