hard as the diamond is,it is easy to drill a hole on it with laser

问题描述:

hard as the diamond is,it is easy to drill a hole on it with laser
hard as the diamond is,这里用hard although the diamond is为什么不行

这位网友,在英语中是之样:当用as句来表示让步时,语序就是这样的(形容词要放在as的前面),而用although 引导让步从句时,语序则是把Although放在从句之首.