I have spent my whole life slaving away, it's time for me to take a break and see some of this great country.
我的一生都在忙碌中度过的,现在是休息的时候了,也是去游历这个伟大国家的时候了。
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,