Have you considered the opportunity cost of buying a new phone?

你考虑过买新手机的机会成本吗？

同一单元的其他句子

• Money is a tool, not the ultimate goal of life.金钱是工具，不是生活的最终目标。
• How do you think we should manage our finances wisely?你认为我们应该如何明智地管理财务？
• The value of money lies in what it can do for others, not just yourself.金钱的价值在于它能为他人的作用，而不仅仅是为自己。
• Don't waste your money on unnecessary luxuries.不要把金钱浪费在不必要的奢侈品上。
• She saved every penny to buy a gift for her mother.她省下每一分钱给妈妈买礼物。