They provide the opportunity to confront structural problems with determination and speed, but only if we accept these actions as inevitable and necessary.
危机提供了面对结构问题的机会、决心和速度，但是只有我们认可这些行动是不可避免也是必须的，才有可能实现变革。
Water deficiency and environmental pollution are two problems we confront with in water usage. Wastewater reclamation is greatly effective to solve these problems.
当前我国用水面临水资源短缺和水环境恶化的双重考验， 污水资源化是解决水资源短缺和水环境恶化的有效途径。
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