In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.

The retina does not feel pain , so damage may not be felt for hours .
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 .

To capture " en passant " can only be done on the move right after the double-square pawn advance .
The option to capture the moved pawn " en passant " must be exercised on the move immediately following the double-step pawn advance , or it is lost for the remainder of the game .

In the start of " The Bachman Books , " King said using the " nom de plume " Bachman was to see if his success was due to talent or luck .
In his introduction to " The Bachman Books , " King states that adopting the nom de plume Bachman was also an attempt to make sense out of his career and try to answer the question of whether his success was due to talent or luck .