ten dollars’, £40, etc. ~ of sth an amount of sth that has the value mentioned 价值（十美元、40 英镑等）的东西
The winner will receive fifty pounds’ worth of books.
获胜者将得到价值五十英镑的书。
a dollar’s worth of change
一美元的零钱
ten dollars’, £40, etc. ~ of sth an amount of sth that has the value mentioned 价值（十美元、40 英镑等）的东西
The winner will receive fifty pounds’ worth of books.
获胜者将得到价值五十英镑的书。
a dollar’s worth of change
一美元的零钱