Therefore, " e proposed a system to pay people with certificates indicating how many hours of work they did.
Therefore, " e proposed a system to pay people with certificates indicating how many hours of work they did.
0.006 seconds.
Therefore, " e proposed a system to pay people with certificates indicating how many hours of work they did.
Therefore, " e proposed a system to pay people with certificates indicating how many hours of work they did.
0.006 seconds.