毫无疑问，如果MJ12与外星人的联系有几十年了，他们并不是不可预知的，而是一个为人所熟知的实体。

Clearly, if MJ12 was in contact for decades, they are not unpredictable, but a well known entity.

youdao

毫无疑问，如果MJ12与外星人的联系有几十年了，他们并不是不可预知的，而是一个为人所熟知的实体。

Clearly, if MJ12 was in contact for decades, they are not unpredictable, but a well known entity.

youdao