join hands in doing
=join hands to do
make joint efforts to do/
do one’s utmost to do…
put emphasis on sth.=give priority to
eliminate/eradicate/get rid of illiteracy/poverty
solve/handle/tackle/deal with/cope with
explore the issue from diverse perspectives
effective/ efficient/ constructive countermeasure
city dwellers = citizens
college graduates
in the colleges = on college campuses
proper = appropriate
lack
He lacks experience.