Now Drake did not discover extraterrestrial intelligence, but he learned a very valuable lesson from a passing aircraft, and that's that terrestrial technology can interfere with the search for extraterrestrial technology.
Drake并没有发现地外文明， 但他从一架飞过的飞机上得到了宝贵的经验， 那就是我们自己的科技会干涉到 对地外文明的搜索。