导语：马斯克在Adelaide(阿德莱德)发布星际旅行演讲，看看星际粉丝和商界对此的反应如何？
有用的表达：
有计划、有目的地做某事：aim to do sth
开始做某事：begin doing sth
跟火箭、军事有关的任务，用mission, e.g. support the mission
致力于：work on
星际旅行：interplanetary travel
计划：laid out
laid out his Mars travel ambition: means arrange or plan his ambition
高x米，宽x米：106m in height and 9m in width.
与x 相比，差别是：
The major difference compared with the original version, however, was cost
可支付：affordability
满足客户的需求：meet all its customers' needs.
发射卫星： launch satellites
点对点旅行：and do what is termed "point to point" travel on Earth.
长途旅行：long-distance trips
说人们对星际旅行的态度：conservative
有一批：have a stock of，have a bunch in stock
远见：visionary thinking
实现承诺：deliver promise,
做到很多次第一：achieved a number of notable firsts.
e.g. And although his promises have often taken much longer to deliver, he has achieved a number of notable firsts.
reusability, reusable 反义词disposable
承认：recognises
Mr Musk recognises that his ambitious timelines sometimes slip
播放幻灯片：put on a slide
承认：concede =admit
e.g. These customers are extremely conservative - as Mr Musk himself concedes.
grapple with: understand sth difficult
e.g. Molly’s upstairs grappling with her maths homework.
e.g. They are only just beginning to grapple with the idea that they can put their very expensive satellites on "second-hand" Falcons.
lap up: accepts eagerly
stiffen: to become suddenly tense, 突然变得紧张
e.g. His many fans in the audience lapped up the presentation, but his numerous business customers will also have stiffened slightly at the news that SpaceX is to begin diverting its energies towards the all-new rocket system.
给某人、某物赞誉：give them that credence
看见某事正在做：see sth through
e.g. And if there's a profit there, you can guarantee that businesses will see it through
脑中常想：with sth in mind, with profit in mind
e.g. They have a big vision, they work towards it, but the steps they take are always with the profit in mind
e.g. When he put up a slide in Adelaide stating that the first cargo (no humans aboard) versions of BFR would go to Mars in 2022, he said: "That's not a typo, although it is aspirational."
口语词汇
想出来： figure out
e.g. I think we've figured out how to pay for it. This is very important.
投入资源做某事：resources will then turn to + V-ing
e.g. But all of our resources will then turn to building BFR.
远大理想：big vision
介绍某人与其公司的句式：
As well as being the CEO and chief designer at SpaceX, Mr Musk also founded the Tesla electric car company and is chairman of SolarCity which specialises in renewables technologies, such as high-storage batteries.
such as 后面可以接一样东西，但是是复数
