noun
ADJECTIVE
▪ corporate , economic , industrial
▪
The big computer companies are very worried about industrial ~.
▪ international
▪ American , British , etc.
VERB + ESPIONAGE
▪ be engaged in , be involved in , conduct ( esp. AmE ), engage in
▪ be executed for , be imprisoned for
ESPIONAGE + NOUN
▪ activity , operations ( esp. AmE )
▪
evidence of ~ activities in Australia
▪ case ( esp. AmE )
▪
one of the most important ~ cases of the 20th century
▪ investigation
▪ agent ( esp. AmE )
▪ network ( esp. AmE )
▪ thriller ( esp. AmE )
▪
She has written eight ~ thrillers.
PREPOSITION
▪ ~ against
▪
She was found guilty of ~ against the United States.
▪ ~ on behalf of
▪
~ on behalf of foreign states
PHRASES
▪ the world of ~
▪
the shadowy world of ~