What is the "significant negative effects on western civilization"? When the USlanded on the moon, was it a significant negative effects to eastern civilization?
什么叫“对于西方文明灾难性的影响？”当美国登上月球时，是不是也可以说是对东方文明的灾难性影响？
2
It is even believed that several such aircraft may have landed on earth and the space visitors may be living amongst us.
甚至有人认为，几架这样的飞机可能已经降落在地球上，太空游客可能就住在我们中间。
3
The aeroplane landedus at the airport in Barcelona.