The cost of sending solar collectors into space is the biggest obstacle, so it's necessary to design a system lightweight enough to require only a few launches.

将太阳能收集器送至太空的成本是最大的障碍，因此有必要设计重量足够轻，可以减少发射次数的系统。

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He identified a shortage of credit as a big obstacle to growth and a shortage of capital in the banking system as the biggest constraint to increasing credit.

他指出信贷不足是经济增长的很大障碍，而银行系统资本金缺乏又是增加信贷的最大约束。

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Inefficient assets is not only the serious obstacle that hinders the healthy development of financial system, but also the heady burden of enterprise, even the whole regional economy.

不良资产不仅是金融体系健康经营的严重阻碍，也是企业乃至整个地区经济的沉重负担。

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The vehicle has a built-in safety system that uses lasers and three-dimensional models of its surroundings to navigate obstacle-strewn warehouses.

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Once at the motor sports complex, journalists took turns testing all-wheel-drive XJs and smaller XFs, which also get the system as an option for 2013, by flinging them through various obstacle courses, every one of which was covered in several inches of snow with thick ice underneath.

FORBES: Test Drive: 2013 Jaguar XJ Adds All-Wheel Drive, And It's Great