So you're saying you want me to do the surgery and leave no record of it?

你想要我做手术而不留下任何记录？

That means that certain environments might not leave a fossil record.

这意味着某些环境可能不会留下化石记录。

And so people would go to the forts and other places to get paper to leave this record their historical personal historical records for their families on.

因此，人们会去堡垒和其他地方拿纸，把他们为家人留下的历史个人记录留在上面。