It's a family business, it may not bring in a lot of money, but it keeps the family together.
这是家族生意,虽然不一定可以赚大钱,但可将整个家庭凝聚在一起。
The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.
哈勃望远镜于1990年4月20日由国家航空航天局发射升空,耗资10多亿美元。