Countries cannot have it both ways: the cost of a cleaner environment may sometimes be fewer jobs in dirty industries.

各国不能二者兼得：环境更为洁净的代价有可能是污染工业的减少。

《柯林斯英汉双解大词典》

Thus, we can have a cleaner environment to live in.

我们确定这样在将来会有一个更好更干净的地方。

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Then again, perhaps the quest for a cleaner environment shouldn't rely on the hunt for a game-changing technology.

也许对于清洁环境的追求，不应该仅仅指望某项能改变游戏规则的科技。

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Lawmakers in Washington seemed to have understood the public demand for a cleaner environment.

VOA: special.2010.04.21

At demonstrations in Atlanta,Georgia,and Miami,Florida people protested to demand a cleaner environment.

VOA: special.2010.04.21

Acquiring this simple and non-polluting form of electric light,he points out, promotes education, public health,economic security and a cleaner environment.

VOA: standard.2009.12.13

But will high oil prices lead to the goal of greater efficiency and a cleaner environment?

NPR: Will Pricey Fuel Prompt Greener Energy Habits?

But lest hybrid owners get too cocky about their individual contribution to a cleaner environment, consider this sobering observation.

NPR: The Prius Rules Hybrids �� but Is Interest Falling?

This experience shows that a strong and growing economy can deliver both a better life for its people and a cleaner environment at the same time.

NPR: President Bush's Remarks on the World Agenda