人生は、選択の連続だ。
Natural experiments are a powerful tool for understanding causal relationships in the real world.
一个公司的力量在于它的员工;投资于他们,他们就会投资于公司的未来。
We live in a world where the past is always present, and the present is always haunted by the past.
今天对水产养殖研究的投资将为明天的全球营养带来回报。