2. This technology previously existed for arms, but legs are rather more complicated. And since a misread signal can send you jumping off a bridge or in front of a moving car, thought-controlled legs need more stringent programming than equivalent arms. As one of the researchers delicately put it, “If you're using a bionic arm and it misbehaves, the elbow may move slightly. If the prosthetic leg misbehaves . . . that could be quite a safety issue.”
3. 摩根大通资产管理公司(J.P. Morgan Asset Management)基金经理格雷格森(Neil Gregson)表示，若事实如此，将需要沙特阿拉伯削减一定的原油产量来抵消其他中东地区国家增产的影响。该公司管理着35亿美元自然资源投资资金。
4. It is the first time in five years that a single programme broke into the top five, so strong was the hold of the main five global EMBAs.
6. Domestically, an increasingly active middle class is generating pressure for more accountable governance. Mounting inequalities have nurtured a sense of injustice; 200m migrant workers remain second-class citizens and corruption is worsening. Tackling these problems is urgent, but China's economic successes have fostered an unwarranted self-confidence. Instead, motivated by the Arab spring, the system has moved aggressively to contain any social discontent that might spark more politically sensitive movements.