The amount by which something, especially a pollutant, exceeds a standard or permissible measurement.

某种物体的数量，尤其是指污染物，超过测量标准或是可容许的程度。

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Partial prepayment of the Loan is permissible subject in each case to a minimum payment of RMB50,000 and a prepayment charge of 2% of the partial prepayment amount.

借款人可作部份提前还款，但还款额每次最少为人民币50,000元，及须缴付相等于提前还款额百分之二作为手续费。

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The idea is that each year the government will mandate an overall amount of permissible emissions.

FORBES: Brrr!

But ultimately, in the West, governments and religious authorities deemed some amount of interest permissible.

FORBES: Magazine Article