这个强调句句型本质上应该和定语从句相似，所以好奇如果强调的部分本身就带有定语从句是否可行。

比如这句，only time invested after the decision is made is taken into account.

可否写成，It's only the time invested after the decision is made that is taken into account.

这句还不是很明显，如果中间强调的部分自带的定语从句最后是个名词结尾，那么会不会和这个句型的that产生歧义？