真谛

例句：

1. 1. Thetruth is that he was not at themeeting.
   事实是他没有参加会议。
2. 2. Sherealized the true meaning oflife after her illness.
   她生病后领悟了生活的真正意义。
3. 3. Theteacher explained the true cause of the problemto us.
   老师向我们解释了问题的真正原因。