三、Essay writing in English.(50 分) After the terrorist attacks happened in Paris in 2015, people referred to the city motto, Fluctuat nec mergitur, meaning “Tossed but not sunk,” to recuperate themselves from the traumatic experience. Can you explain the meaning of this motto, and how it could be helpful to people in Paris or even people in other places of the world? Write a well-organized essay with a title, an introduction, a body and a conclusion for at least 250 words to elaborate on this topic.