
At least
Minimum Quantity
Use 'at least' when specifying the smallest amount or number something could be.

We need at least five more chairs for the party.
Expectation Setting
Use 'at least' to set low expectations or to ensure a bottom line is understood.

Expect to wait at least 30 minutes for your food.
Goal Assurance
'At least' can imply that more is preferred or better, but a certain amount is guaranteed.

Please read at least one book per month.
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