IELTS writing task 1 repeating key words

IELTS Writing Task 1: repeating key words
Students often worry about repeating the same words in writing task 1. For example, in
last week's lesson I repeated the phrase average weekly spendingmaybe three times. Is
this a big problem?
No! Repeating a key word or phrase a few times is not a problem; sometimes it is
necessary to show that you are consistently talking about the same thing. If you try to use
too much variety, there is a danger that you will confuse the reader or write something
that does not mean what you want it to mean.
It's fine to either repeat the key words or make small changes. Look at these examples of
small changes I made to the phrase average weekly spending:
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spent on average
average expenditure
weekly spending figures
levels of spending
spent per week
expenditure per week