In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Commercially , the album was less successful than Madonna 's previous albums , peaking at number 2 on the US " Billboard " 200 , becoming her first studio album not to top the chart since her debut .
It was less successful than earlier albums by Madonna : it peaked at number two in the United States .

The retina has no sensitivity to pain , and the effects of retinal damage may not appear for hours , so there is no warning that injury is occurring .
The retina does not feel pain , so damage may not be felt for hours .

Fossil evidence also suggests a difference in the evolutionary development of the people who made the two different tool types across the Movius Line and it has remained in use as a convenient distinction between the two traditions .

Fossil evidence also suggests a difference in the evolutionary development of the people who made the two different tool types across the Movius Line .