When slave labour camps are part of your family history, you may feel a bit queasy about seeking friendship with a country whose system of prisonlabour looks unpleasantly similar to the Soviet gulag.
Such an offence shall be punished by detention in prison or at hard labour.
这样的罪行将处以监禁或服苦役。
《新英汉大辞典》
3
These rates are based on a labour-force number which excludes those in prison; if there were not five times as many blacks behind bars as whites, the figures would look even worse.