Any take-back program will likely changeovertime, depending on what works for your customers and company goals.
任何回收计划都可能随着时间的推移而改变，这取决于对你的客户和公司目标吃哪一套。
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Parents need to remind their children that their needs and desires may changeovertime, said Julie Gurner, a real estate analyst with FitSmallBusiness.com.
Fit Small Business 网站的房地产分析师朱莉·古纳说，父母需要提醒孩子，他们的需求和愿望可能会随着时间的推移而改变。