In medieval times, a lance couched under the rider's arm, unifying the force of rider and weapon, would throw its wielder backwards off the horse at impact.

在中世纪，一把长矛被放在骑手的臂膀下，以统一骑手和武器的力量，一旦受到冲击，持兵器者就会向后摔下马去。

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The lesson, says Susan Irving of the Government Accountability Office, a non-partisan arm of Congress, is that “no process change can force agreement where one does not exist.

联邦会计总署（一个不分党别的国会机构）的Susan Irving说，过去的教训是“没有任何进程变化能够推动一个本不存在的协议。”

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Confirmation of supersymmetry would be a shot in the arm for M-theory and help physicists explain how each force at work in the universe arose from one super-force at the dawn of time.

如果能证实超对称性的确存在，那无异于为M理论注入了一针强心剂，物理学家们可以借此来解释宇宙诞生之初，各种作用力是如何从一种超级作用力里诞生的？

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While Home Depot is reportedly replacing 10, 000 BlackBerry smartphones with iOS devices, the New Zealand police force plans to arm 6, 000 officers with iPhones and about two-third of them with iPads over the next three months.

FORBES: Apple Snaps Up Enterprise Customers At BlackBerry's Expense

The measure does not force school districts to arm teachers and will not require teachers to carry guns.

BBC: South Dakota to allow armed teachers in schools

In 2007, just before the financial crisis hit with full force, GE's finance arm accounted for about 55 percent of the company's earnings, according to spokesman Seth Martin.

WSJ: General Electric gets out of the TV business