The boost in sales figures comes after the firm said it would shed its low-cost appeal and include high-margin premium models to challenge Samsung and Apple at the top-end of the market.

此前，华为称将放弃低端机市场转向高利润高端机型，以此挑战三星和苹果在高端市场的份额，之后华为的销售量便突飞猛进。

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But the opportunity goes with the challenge. Baidu has kept ahead in share price so it should pay more cost for that. Can you still remember "Baidu World Convention"?

但互联网始终是机遇和挑战并存的，百度在股价上遥遥领先，它也必须为这种领先付出更多的代价。

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With China into the WTO, this industry is facing challenge. In coping with it, the crude oil processing cost must be greatly reduced.

加入WTO后，我国石化行业面临着严峻挑战，要提高其核心竞争力，必须大幅度降低其原油加工成本。

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He calls it "cow power to horsepower." Leonhardt says the challenge is to cost-effectively remove impurities from the manure-derived methane.

VOA: standard.2010.02.23

He says the challenge is to bring down the cost of manufacturing it.

NPR: Canadian Dreams of Ethanol Distilled from Grass

In a marketplace that has become exponentially competitive, in which there has been an erosion of key American values, and in which keeping up with the ongoing revolution in information technology is a mere cost of entry, building brands is, well, to put it mildly, a challenge.

FORBES: Thomas Friedman On What's Required To Rebuild A Once Strong Brand

The firm, warning of the "considerable cost" involved in an ongoing legal challenge to European Union tobacco controls, said it had, with Philip Morris and Japan Tobacco, drawn up a set of cigarette marketing standards "in recognition of society's concerns".

BBC: Tequila graphic