定语从句 2--限制性vs非限制性定从

限制性定语从句
1. The book my father gave to me is very important to me.
2. A soldier who does not want to be a marshal  is not a good soldier.
非限制性定语从句
1. The youth need to have ambitions and dreams, which are their privileges.
2. I met my father tonight, which made me very happy.
3. Donald Trump, who is the president-elect of the United States, believes that he is the king of the world.