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may never be exhausted is surprisingly big may be dropping rapidly is as rich as ever
can cure all kinds of diseases are no longer useful for modern men may cure some of today’s most serious diseases are too cheap to be useful
Romans Greeks Chinese Europeans
Plants. Factory-produced chemicals. Modern medicines. Strange and wonderful equipment.
Women’s umbrellas are made in various kinds of colors. The inventor of the umbrella is unknown. Once ordinary people had no right to use umbrellas. Umbrellas were popular and cheap in ancient times.
much more successful than modern ones successful in all cases successful enough for humans to survive of little help to humans
in Europe in the eighteenth century. in ancient Egypt and Babylon in the Far East in ancient times during the Middle Ages