金额用英文怎么表达

　　Melville managed to get by on a small amount of money.

　　梅尔维尔仅靠一点点钱勉强度日。

　　The program will double the amount of money available to help pay for child care.

　　该方案将使可用于帮助支付儿童保育的钱款增加一倍。

　　Since 1978, the amount of money available to buy books has fallen by 17%

　　自1978年以来，可用于采购图书的经费已经减少了17%。

　　She was being paid what I considered a derisory amount of money

　　在我看来，她得到的报酬真是少得可怜。

　　The brothers chip in a certain amount of money each month to hire a home health aide.

　　兄弟几个每个月凑一笔钱，请了一个家庭护理。