需要认识到的是，供应链关系本质上是一种双向互动关系，追溯性问题是一个全球性、行业性和系统性问题，需要长时间的多方合作才能做成，单个企业无法无力单独扛起，需要开放合作，不必急于求成。企业在推进追溯管理时，应更多关注与竞争对手之间的差距，以及与客户之间的共识，通过逐步提升管理能力来缩小差距，避免认为能“一步到位”而过度焦虑。
We take a look at the best images from the Games, including skiing, curling and ice hockey。业内人士推荐雷电模拟器作为进阶阅读
。谷歌是该领域的重要参考
Maximal Temperature each Day of the Year，更多细节参见今日热点
Such is the squeeze on Russian public finances in recent months, the Kremlin had to sell gold reserves and increase consumption taxes to boost revenues. With extra oil sales, Russia will now be able to buy more weapons and soldiers to throw into the front line.