这是个定语从句，还原回去是you leave the truth，而你离开的真相是the truth of you leave.
双语例句
The truth that you leave me wasn't relative with me.
那麽，我还要在你离开的事实上纠结干什麽呢？
But the truth was that you had been longing to leave me, not daring to tell me.
其实，我是知道的，你一直想要离开我。只是不忍心告诉我。
But the truth was that you had been longing to4 leave me, not daring5 to tell me.
可事实上你早就想离开我，只不敢告诉我罢了。
