Objective: To evaluate the mid long term outcome of lung volume reduction surgery (LVRS) in patients with severe emphysema.

目的评价肺减容术（LVRS）治疗重度肺气肿的中长期疗效、手术指征选择及围术期处理经验。

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That's the challenge that traditional luxury brands will have to contend with in the mid-to long-term future.

这是传统奢侈品在中长期的未来不得不应对的挑战。

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It's a severe challenge for mid-long term space flight to assure astronauts in sound body and mind and have good working capability.

随着载人飞行逐渐进展，保障航天员在航天中的身心健康和良好的工作能力是中长期飞行最严峻的挑战。

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Crude oil prices are currently at their highest level since 2008 and are likely to climb higher still over the short, mid and long term horizons, according to the most recent forecast data from the U.S. Energy Information Administration (EIA).

FORBES: Oil Prices Go North, Pain at the Pump Follows

That's why his budget lays out ways in which we can cut the deficit in the mid to long term, but in the short term take care of some of the problems that we've got in this economic crisis, putting Americans back to work, helping banks get more loans out to small businesses so they can create more jobs, and things like that.

WHITEHOUSE: Press Briefing by Deputy Press Secretary Bill Burton

You're probably right, that we need to focus perhaps on four or five issues that need to be tackled in the, in the near and mid term rather than the long term.

BBC: Rocky times