Before you spend money on a perm or colour, talk to your hairdresser.在花钱烫发或染发前，先咨询一下你的美发师。He spends money on the latest fashions and other frivolities.他把钱花在了最新时装以及其他无聊的东西上。We need to evaluate the usefulness of new products before we spend money on them.我们在花钱购买新产品之前需要评估一下它们的使用价值。