The development of new, alternative insecticides is an expensive and long-term endeavour.
新的替代杀虫剂的研发是一项昂贵的长期努力。
One alternative way this can be dealt with is the development of new material.
可以处理这件事的一个替代方案是新材料的开发。
One alternative way this can be dealt with is the development of new material.
可以处理这件事的一个替代方案是新材料的开发。
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