prorate
英 [prəʊ'reɪt; 'prəʊ-]美 ['proret]
vt. （美）按比例分配 vi. 按比例分配
英文词源
prorate (v.)
also pro-rate, "divide proportionally," 1860, American English, verb derived from Latin pro rata (parte) (see pro rata). Related: Prorated; prorating.
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