设去年Price和Earning分别为P0,E0
今年Price和Earning分别为P1,E1
问题是By what percent did the ratio of price per share to earnings per share increase?
问题的主干是By what percent did XXX increase?就是问XXX增长的百分数,XXX代表的又是“the ratio of price per share to earnings per share”,其实就是问P/E增长的百分数。
式子为(P1/E1-P0/E0)/(P0/E0),化简后为(k-m)%
-- by 会员 kikisunflower (2011/3/26 11:25:52)