Nothing is impossible to a willing heart.有志者,事竟成。Every dog has his day。每个人都有其辉煌的一篇。Every coin has two sides。 希望有用这么多,够吗,加些图这些就够啦,这是数学的:数学家的故事——苏步青 苏步青190
英语:I like English most because i think English is widely used in the world .No matter where you go,you can make speak English.It is also the formal language of the government of some countries such a