But to retain that advantage, America will need to harden its forward bases, invest in missile defence and submarines and counter China’s capacity in asymmetric electronic, cyber and space warfare.

不过为了保持优势，美国需强化其前沿基地，在导弹防御和潜艇方面投入资金，并对抗中国在非对称电子战、网络战以及太空战领域的能力。

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Barcelona move forward to the last eight of the Champions League with great confidence and the return of Puyol and Pique will strengthen their defence.

巴塞罗那信心十足的挺进欧冠最后八强。同时普约尔与皮克的回归也将增强他们的后防力量。

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Playing in a support striker role, the rapidly maturing forward has chipped in with the goals while also tracking back to help midfield and defence.

作为一个副锋，这位快速成长的前锋不时也会进球，有时也会回撤帮助中场甚至后卫。

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Mitchell Johnson - who has biffed a Test 50 in his brief career - is the new man at the crease and produces a stellar forward defence, ending a successful Indian over.

BBC: India v Australia day two as it happened

Lord Woolman was said to have failed to focus the jury's attention on natural explanations for Declan's death put forward by defence experts.

BBC: Declan Hainey death: Mum Kimberley cleared of all charges

Thus nobody can guarantee that a technological leap forward in the defence business would make transatlantic relationships any easier.

ECONOMIST: Platform envy