自然实验可以为经济问题提供有价值的见解。
Natural experiments can provide valuable insights into economic questions.
The true value of a forest is measured not just in board feet of timber, but in the lives it sustains and the ecosystems it supports.
The dead don’t rest if the living don’t let them.
I'm not a singer, I'm an entertainer.
The fight against illegal fishing is a fight for justice and sustainability.