"Matching methods can be a powerful tool when randomization is not possible."
The forest doesn’t belong to us; we belong to the forest.
You have to have confidence in your ability, and then be tough enough to follow through.
Literature is the memory of humanity.
The energy transition is not just about switching fuels; it's about transforming entire economies and societies.
农业中的每一个挑战都是创新和改进的机会。