GMAT Sentence Correction (SC) | Re: Almost all motor vehicles on the road have a suspension system, that

Hianurag16 ,

Idiom " allow for" meansto plan on possiblity of something ...

Here C uses it correctly -
c. which provides a smooth ride by allowing for irregularities of the road surface
so supension system has already taken into consideration the possiblity of irregularities in road surface...
That is why it helps you in having smoot ride inspite of irregular road surface
...

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