The second West-to-East gas pipeline, as the first long-distance cross-country gas pipeline in China, will face severe challenge of peak-shaving and emergency gas supply.

西气东输二线（以下简称西二线）作为中国第一条跨国长输天然气管道，面临储气调峰的问题。

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The coming of "Knowledge economy" makes the financial industry-the core of modern economy face the severe challenge and even set a still higher demand on staff and workers of financial industry.

知识经济时代的来临，给居于现代经济核心地位的金融业提出了严峻的挑战，更对金融队伍的素质提出了更高的要求。

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But if no agreement can be reached on how to enact such plans, the euro zone will face a "severe and fundamental challenge, " he added.

WSJ: Tony Blair: Euro is at a 'Final Decision Point'