1.The average premium of A shares over H shares, as measured by the Hang Seng China AH Premium index, is notoriously volatile.
众所周知，A股对H股的平均溢价——以恒生AH股溢价指数衡量——容易波动。
2.The average premium is about $500 a year for flood insurance, although policies start around $120.
洪灾保险的年平均保险费大约为500美元，虽然保险费最低是120美元。
3.The fund's average premium since the start of 2009 is 1%.
自2009年初以来，该基金的平均溢价为1%。
4.From 2006 to 2009, mainland stocks traded at an average premium of 31 per cent to the more liberal offshore market.
从2006年至2009年，A股相对于在更为开放的香港上市的H股有平均31%的溢价。