A teach-in arranged for brewers? (5,3)

I believe the answer is:

china tea

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'brewers?' is the definition.
I know nothing about this answer so I can't tell whether this works.

'a teach-in arranged' is the wordplay.
'arranged' is an anagram indicator (letters rearranged).
'a'+'teach'+'in'='ateachin'
'ateachin' anagrammed gives 'CHINA TEA'.

'for' acts as a link.

Can you help me to learn more?

(Other definitions for china tea that I've seen before include "Leaves for drink" , "Eastern drink" , "cuppa?" .)

I've seen this clue in The Globe and Mail.

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