Google didn 't say how it traced this most recent attack to jinan .

谷歌未说明它是如何将这些攻击行为追溯至济南的。

The higher fares can be traced back to a policy introduced by the previous labour government .

票价上涨的原因可以追溯到早先工党执政时提出的一项政策。

In some ways , gm 's problems can be traced to its origins a century ago .

在某些方面，通用的问题可追溯到它一个世纪前的前身。

The root of the present chaos can be traced back to bad politics taking precedence over sensible economics .

欧元区当前混乱局面的根源，可以追溯到糟糕的政治考虑压倒了理性的经济权衡上。

The shortcuts can be traced back to command-line text editors vi or vim originally found on unix-based operating systems .

这个快捷键追溯到命令行文件编辑器，vi或vim起初以基于unix操作系统为基础。