I have no idea about fashion there days, which is why I dress so plainly.
我对现在的时装潮流一窍不通,这就是我穿得这么普通的原因。
Professor Ronald Bracewell, a leading American radio astronomer,argued in Nature that such a superior civilization, on a visit to our own solar system,
假如有如此高级文明生命访问了我们的太阳系,