Oh, no sir. We already gave you a discount on each item.
哦,不行,先生。每一件东西我们都给你打过折扣了。
These clothes are dirty, they need to be washed.
这些衣服脏了,需要去洗。
Professor Ronald Bracewell, a leading American radio astronomer,argued in Nature that such a superior civilization, on a visit to our own solar system,