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H-29：hold onto the purse strings 控制金钱的使用

A:Dear, how about doing shopping this afternoon?
A:亲爱的，今天下午上街好吗？

B:What's you going to buy?
B:你要买什么？

A:A new hat and a new dress.
A:我想买一顶新帽子和一条新连衣裙。

B:If we want to buy a house we should hold onto the purse strings.
B：我们要想买新房子就必须控制花销。