To assume alien civilizations will be friendly and welcome us with open arms seems grossly naïve.

如果认为外星智慧生命会非常友好的敞开胸怀欢迎我们，那真是天真的想法。

youdao

To assume alien civilizations will be friendly and welcome us with open arms seems grossly naïve.

如果认为外星智慧生命会非常友好的敞开胸怀欢迎我们，那真是天真的想法。

youdao