be the nature of the beast
US /bi ðə ˈneɪtʃər əv ðə biːst/
UK /bi ðə ˈneɪtʃər əv ðə biːst/
1.
to be an inherent and unavoidable characteristic of a particular situation or thing
:
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Dealing with constant changes is just the nature of the beast in this industry.
•
Long hours and high pressure are the nature of the beast when you work in finance.