A programme that sought to save a species rather than individuals would allow each infected Wolf to pass the disease on to more than one healthy animal and hence require fewer vaccinations.
但若某方案目的是拯救某个物种而非该物种中所有个体，它将允许上述疾病传播数量多于一，从而减少需要接受疫苗的狼群数量。
Concern for the bittern in the 1990s led to an intensive species-recovery programme, with research and habitat improvement and creation playing major roles.
19世纪90年代对麻鸦的担忧引导了一场紧锣密鼓的物种挽回项目，主要是繁殖，改善研究和栖息地环境。
No sooner had she finished watching that programme about those extinct species, than she decided to join the Wildlife Conservation Organization.
她一看完那个关于已灭绝物种的电视节目，就立志加入野生动物保护组织。
No sooner had she finished watching that programme about those extinct species, than she decided to join the Wildlife Conservation Organization.
她一看完那个关于已灭绝物种的电视节目，就立志加入野生动物保护组织。
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