Using := with a name that already exists in the current scope creates a new binding that shadows the old one. The old value is no longer accessible:
截至2026年3月12日收盘，上证科创板芯片指数(000685)下跌1.85%。成分股方面涨跌互现，思瑞浦领涨3.33%，晶晨股份上涨3.05%，晶合集成上涨2.34%；盛科通信领跌8.89%，佰维存储下跌5.67%，拓荆科技下跌4.63%。科创芯片ETF国泰(589100)最新报价1.6元。拉长时间看，截至2026年3月11日，科创芯片ETF国泰近1周累计上涨1.18%。（以上所列股票仅为指数成份股，无特定推荐之意），这一点在搜狗输入法中也有详细论述
如今的龙虾，还不能成为靠谱的工作队友。对于急于让龙虾降本增效的老板们，我们的建议是：先别急。。业内人士推荐谷歌作为进阶阅读
the bindoff section
During back-to-back appearances in Florida, Trump was asked whether the US would accept responsibility for a strike that hit the school and killed scores of people, many of them children, after video evidence showed a US Tomahawk struck the naval base next to it.