“它们告诉我们许多我们不知道的东西”这句话用英语怎么说?

“它们告诉我们许多我们不知道的东西”这句话用英语怎么说?
“它们告诉我们许多我们不知道的东西”这句话用英语怎么说?

“它们告诉我们许多我们不知道的东西”这句话用英语怎么说?
They tell us a lot that we don't know

They will tell us a lot of unknown stuff.

They tell us a lot of things that we did not know.