美国总统选举（US presidential election），简称美国大选，是美国每四年举行一次的选举，以产生总统及副总统。赢得270张或以上选举人票的总统候选人即获得选举胜利。50个州按人口比例分配选举人票。
The US presidential election, also known as the US general election, is an election held every four years in the United States to elect the president and vice president. The presidential candidate who wins 270 or more electoral votes wins the election. The 50 states allocate electoral votes according to population proportion.
人民币现金是国家法定货币，是最基础、最根本的支付工具。人民币的单位为元，辅币单位为角、分。1元等于10角，1角等于10分。人民币符号为“元”的拼音首字母Y加上两横，即“¥”。中国人民银行负责人民币的设计、印制和发行。
RMB cash is the national legal tender and the most basic and fundamental means of payment. The unit of RMB is yuan, and the subsidiary units are jiao and fen. 1 yuan is equal to 10 jiao, and 1 jiao is equal to 10 fen. The RMB symbol is the pinyin initials Y of “yuan” plus two horizontal lines, that is, “¥”. The People’s Bank of China is responsible for the design, printing and issuance of RMB.
高速铁路，就是设计标准等级高、能让列车高速运行的铁路系统。世界上第一条正式的高速铁路系统是1964年建成通车的日本东海道新干线，沟通东京、名古屋和大阪所在的日本三大都市圈，促进了日本的高速发展。其设计速度为200km/h，因此高速铁路的初期速度标准就是200km/h。
High-speed railway is a railway system with high design standards that can allow trains to run at high speeds. The world’s first official high-speed railway system was the Tokaido Shinkansen in Japan, which was completed and opened to traffic in 1964. It connects the three major metropolitan areas of Japan, including Tokyo, Nagoya and Osaka, and promoted Japan’s high-speed development. Its design speed is 200km/h, so the initial speed standard of high-speed railway is 200km/h.
烂尾楼，又称为烂尾建筑，是指工程已开始，在半途因故停止而未能完成的建筑物。烂尾建筑起因通常是因为开发商（私人或政府）缺乏足够资金，无力完成工程。
Unfinished buildings, also known as unfinished buildings, refer to buildings that have been started but stopped halfway due to some reasons and have not been completed. The cause of unfinished buildings is usually that the developer (private or government) lacks sufficient funds and is unable to complete the project.
庆生意思是庆贺生日。以往过生日多为聚会、聚餐等形式，不如改变一下方式，找一个度假村来个集体休闲健身，在紧张的工作学习中放松一下，或组织一次集体登山活动，即有活跃的气氛又有足够的沟通机会。
Birthday celebration means celebrating birthdays. In the past, birthdays were mostly celebrated in the form of gatherings and dinners. It is better to change the way and find a resort for collective leisure and fitness, relax in the intense work and study, or organize a collective mountaineering activity, which has an active atmosphere and sufficient communication opportunities.