Unlike other incumbents, BT has no mobile arm, having spun off O2 to reduce its debts.

与其他现任者不同，英国电信没有移动分支，出售其O2来减轻债务。

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Bt corn can be grown using less pesticide, and sometimes even no pesticide.

Bt玉米在生长过程中需要很少，甚至不需要杀虫剂。

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BT has no plans to build a national mobile network, but intends to enhance its existing broadband and Wi-Fi services.

BT公司则并不打算建造覆盖全英的移动通讯网，不过它计划加强现有的宽带和无线网络服务。

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Oftel said improvements in late 2001 meant BT no longer needed to use one of its own types of networks to manage dial-up traffic.

BBC: BT told to cut internet charges

The Cornell researchers stressed that consumption of Bt corn poses no threat to humans, nor is there any evidence that Bt corn causes harm to bees, ladybugs or other beneficial insects.

CNN: Researchers find bio-engineered corn harms butterflies

Still, the shield's effectiveness as a defense in cyber-warfare is far from clear: Bruce Schneier, the founder and chief technology officer of security firm BT Counterpane, argues that no single strategy can stop determined hackers.

FORBES: China's Golden Cyber-Shield