康内斯托加式宽轮篷车的白色帆布保护货物免受恶劣天气的侵袭，篷车的底座上有很多拱形的木箍，帆布就绷在其上。
The white canvas cover on the Conestoga wagon protected the freight from inclement weather; it was stretched taut over a series of wooden hoops that arched over the wagon bed.
严格的数据保护法规使得布洛克曼无法在德国开展他新一轮关于手机的研究，而直到最近，他的研究主要都是在那儿进行。
Strict data-protection laws prevented Brockmann from carrying out his own version of the mobile-phone study in Germany, where he was based until recently.
在很多富裕国家，一轮持续的高失业率很容易导致如保护主义这样的政策出台，这将进一步伤害长远的经济增长。
In many rich countries an extended bout of high unemployment could easily lead to policies such as protectionism that will further hurt long-term growth.
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