Warming changes key characteristics of the ocean and can affect phytoplankton growth, since they need not only sunlight and carbon dioxide to grow, but also nutrients.

气候变暖改变了海洋的主要特征，并会影响浮游植物的生长，因为它们不仅需要阳光和二氧化碳才能生长，而且还需要营养。

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Advanced societies need economic growth to satisfy the multiplying wants of their citizens.

发达社会需要通过经济增长来满足其公民日益增长的需求。

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I'll start with the brief review of the reasons for the change that we really need to make a clean break to restart growth.

首先，我会简短地回顾一下改革的原因，我们确实需要进行彻底的变革，再次实现增长。

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In general,dead or living parts of plants need to be removed to improve the shape or growth of the plant.

VOA: special.2009.07.14

This form of grazing can reduce the need for pesticide treatments by reducing the growth of weeds.

VOA: special.2010.01.19

President Obama says the Summit of the Americas yielded broad hemispheric agreement on the need to spur economic growth, confront security challenges like drug trafficking, promote alternative fuels, protect the environment, and ensure human rights.

VOA: standard.2009.04.19

And also that, as you work with the -- stick with the principle of the financial, but along the way you need to balance the growth of the economy.

WHITEHOUSE: The White House

In fact, I believe that the electorate is awaiting the emergence of a leader who can articulate an exquisite balance between the need for economic growth and the duty of economic redistribution.

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He spoke of the need to have growth for the long term and the need to establish relationships on a variety of levels with suppliers, with customers and with employees.

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