1. He insisted on the assistant´s counting the money before he left -- 30,000 pennies in all!
    他坚持要店员点清那些硬币后他才离去。这些硬币加在一起共有30,000枚！

2. However, one traveler makes the point that this difference may amount to pennies when you consider exchange rates.
    但是，有位旅客强调说，考虑到兑换率，这一差价就没有几个钱了。

3. It contained $300 in pennies.
    口袋里面装着300镑的便士。