They became even more popular in Britain when a card could be posted in an unsealed envelope for one half-penny - half the price of an ordinary letter.
当邮寄非密封的卡片只要半便士（普通信件邮费的一半）时，邮寄贺卡变得异常流行。
2
It is not good that the wage gap between women and men has narrowed by less than half a penny per year since 1963.
这不是个好时代，因为女性和男性的薪酬差距自1963年以来仅仅减少了不到半个便士。
3
If I got a penny every time I heard somebody saying that they were not made to be active I would be … maybe not a millionaire … but a half-millionaire definitely.