我们的首要任务必须是保护我们宝贵的水资源。

Our top priority must be ___conservation of our precious water resources.

对节能日益增长的关注正在推动许多行业的创新。

The growing focus on energy ___conservation is driving innovation across many industries.

公众对古老森林保护的意识达到了历史最高水平。

Public awareness about the ___conservation of ancient forests is at an all-time high.