每起谋杀都会留下两个受害者：死者和凶手。

渔业管理必须适应不断变化的海洋条件。

The world has the technology - either available or well advanced in the research pipeline - to feed on a sustainable basis a population of 10 billion people.

采石业的创新不仅关乎机械，还关乎远见和可持续性。