So far there is no proof that spaceships from other planets do exist.

迄今为止，没有证据表明来自其它行星宇宙飞船确实存在。

youdao

So far there is no proof that spaceships from other planets do exist.

迄今为止，没有证据表明来自其它行星宇宙飞船确实存在。

youdao