名詞性從句出現(xiàn)的時(shí)候，必須要有主句，否則句子不完整。

例如:The fact that education is the key to a country’s long term success.

這句話就是錯(cuò)的，the fact 引導(dǎo)同位語從句，并沒有主句。

應(yīng)該改為:Government funding is supported by the fact that education is the key to a country’s long-term success.