而风能，在2009年久提供了全球能源的2%，在2050年将可能增加到20%还强。

Wind power, by contrast, met about 2% of global electricity demand in 2009, and could increase to more than 20% by 2050.

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仅采用强侧呼吸的问题时，时日一久，你的划臂会出现侧顷，且左右侧动作不对称。

The problem with breathing to only one side is that it tends, over time, to make your stroke lopsided and asymmetrical.

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本文试就我国家族企业如何做大做强做久，面临的几个问题进行探讨。

This paper on how to enlarge and strengthen our family business so long, faced with several issues were discussed.

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