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complex
UK
/ˈkɒmplɛks/
US
/ˈkɑmplɛks/
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Compare complex as a noun and an adjective using the examples.
Explain the difference between complex and complicated.
Explore common collocations with complex, such as complex problem and residential complex.
Explain why complex is rarely used as a verb and when to use complicate instead.
Compare the meanings of complex in residential complex and psychological complex.
Practise the pronunciation of complex in British and American English.
Write five B2-level sentences using complex in different meanings.
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