I did drink a lot of coffee when I was younger, But I have noticed the health benefits since I quit.
我在年轻时确实喝过很多咖啡,但我发觉戒了咖啡后身体健康多了。
and assuming such an automatic messenger picked up our first broadcasts of the 1920's,
假定外星人的这种自动化信息装置接收到了我们二十世纪二十年代的第一次广播信号,