1. 节俭;节约：16.shopping mall 大型购物中心 | 17.thrift 节俭;节约 | 18.vender 小贩
2. 节约：Thirdparty 第三方 | Thrift 节约 | Throughin-depthreforms 通过深入改革
3. 经济：介绍: introduction, presentation, recommendation | 经济: economy, saving, thrift, frugality | 惊讶: surprise, wonder, astonishment, amazement