e.g. Passengers boarded the plane one by one. Expressions tear down : (especially a building) pull down, especially violently; destroy 推倒(尤指建筑物)；拆毁 e.g. The earthquake last night tore down many houses. agree with :have or share the same opinion, feeling or purpose 意见（感觉，目的）一致；同意 e.g. They agreed with each other on this plan. line of thinking/thought : a way or method of thinking about something 思路；想法 e.g. I couldn't follow my professor's line of thinking in his lecture. afford to do :(usually with can, could, be able to) be able to spend, give, do, etc., without serious loss or damage 花得起；有能力去做某事；承担得起 e.g. I can afford to buy a car in two years. close down :(cause to) stop business activities, especially without the intention of starting again（使）停业 e.g. Hundreds of workers lost their jobs when the factory was closed down. have nothing to do with : have no connection with 与……毫无关系 e.g. Some employers claim that gender has nothing to do with their hiring decisions. make sense : have a good reason 有道理 e.g. What he said made good sense. stop...from : prevent...from 阻止 e.g. The hot weather stopped me from going out. even so : in spite of what has/had happened; though that is true 尽管如此 e.g. It was the cheapest hotel in the town, but even so, it still cost $100 a night. take away : remove something from a particular place 带走；拿走；拆毁（旧物） e.g. The old structure was taken away last week. V．Detailed study of the text. 1. Even though the first McDonald's restaurant sold only hamburgers and French fries, it still became a cultural symbol. (Para. 1) Meaning: In spite of the fact that the first McDonald's restaurant served only two kinds of food: hamburgers and French fries, it still became a symbol that represents the American culture.