以百思买为例，由于其最大的两个竞争对手亚马逊和沃尔玛没有自己的回收项目，百思买一直承担着最大份额的电子垃圾量。

Best Buy, for instance, has been bearing the lion's share of e-waste volume since two of its largest competitors, Amazon and Wal mart, do not have their own recycling programs.

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以百思买为例，它一直承担着电子垃圾的最大份额，因为其两个最大的竞争对手亚马逊和沃尔玛没有它们自己的回收计划。

Best Buy, for instance, has been bearing the lion's share of e-waste volume since two of its largest competitors, Amazon and Walmart, do not have their own recycling programs.

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在过去的几年里，那些保护电脑和网站免遭攻击的人员一直在追赶他们装备精良的黑客对手。

For the past several years, those defending their computers and networks against hackers have been playing catch up to their increasingly well-funded and organized adversaries.

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