常用英语口语：公交公司遭遇网络瘫痪May： Daddy, can you tell me what they are talking about? 爸爸，你能告知我他们在谈论的是什么吗？ Benjamin： They are talking about the network of the bus company. 他们在说公交公司网络的问题。 May Why is their network not working? 那为什么他们的网络不能够正常运行呢？ Benjamin： Because of the IC cards. 由于IC卡的问题。 May： The IC card? IC卡吗？ Benjamin： Yes, Beijing is a big city and there are about 7,000,000 people using IC cards on buses. 对啊，北京是个大城市，总共有7,000,000人用公交IC卡。 May： And? 然后呢？ Benjamin： All the people were checking the balance of their cards on the Internet at the same time, that”s why the system crashed. 全部的人都去网上查看他们卡里的余额，所以就产生了网络问题。 May： Oh, that is horrible! 噢，那太可怕了！ 对话讲解： talk about 谈论, 谈到 His talk about apartheid created agitation. 他的关于种族隔离的谈话激起了骚动。 because of 由于, 由于 I did not go to the cinema because of the intense cold. 我由于寒冷没出去看电影。