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1·Either premiums must rise or some markets are rendered unviable.

要么必须提高保费，要么某些市场会难以为继。

2·While the exterior retained a stellar image, the interior was cramped an economically unviable.

虽然外表保留了巨星的风采，内部却完全过时了。

3·In the docklands—bombed by the IRA in 1996—the skyscrapers that had once seemed unviable filled up.

1996年被爱尔兰共和军（IRA）轰炸的港口遗址上，一栋栋摩天大楼拔地而起——这还曾经被认为不可能的事。

4·Much human habitation in southern Europe, north Africa, the Middle East and other sub-tropical areas is rendered unviable due to excessive heat and drought.

大部分位于南欧、北非、中东以及其他亚热带地区的人类居住地将由于过度炎热和干旱而变得不再适宜居住。

5·Amazon rainforest crosses a tipping point where extreme heat and lower rainfall makes the forest unviable - much of it burns and is replaced by desert and savannah.

亚马逊雨林将经历一个“转折点”，极端高温和雨水减少将导致其退化，大部分树木都将被烧毁并由沙漠和草原取而代之。

6·However, analysts said Boeing's failure to find a partner or buyer for the unit after a two-month review suggested that the product remained unviable in its current form.

但分析人士表示，波音经过为期两个月的业务评估后，未能为该部门找到合作伙伴或买家，这表明该产品以目前形态而言不具有可行性。

7·It was never an option, however, that we would retain the running track as we believe this to be unacceptable for our supporters and therefore wholly unviable in the long term.

然而，我们相信保留跑道从来不是明智的选择，这样的方案不会得到我们球迷的支持，因此在长期是不可行的。

8·Moreover, new tariff system could be introduced under which imports of auto parts that could be manufactured in Pakistan are imposed higher tariff to make their imports unviable.

此外，在汽车配件的进口上的新的关税制度可以引进，这可以在巴基斯坦生产迫使进口征收更高的关税不可行。