As a new study from McKinsey points out, the clean-energy industry doesn't have much in common with old, labor-intensive manufacturing industries like steel and cars.
一项最新的麦肯锡的报告指出，绿色能源工业与老的工业有很大的不同，如劳力密集型的制造工业如钢铁和汽车。
That points to the biggest reason to think the summit was not a waste of time: it made clear that Mr Obama, after months of sitting on the sidelines, now has steel in his spine.
这最大限度地说明这次峰会并不是浪费时间：奥巴马在经过数月的旁观后，现在挺直了腰板。
These fire prevention processing's methods are each have their own strong points, the different steel structure piece can handle with the different methods.
这几种防火处理方法各有所长，不同的钢结构构件可用不同的方法来处理。
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