围绕试管婴儿的伦理问题很复杂，但拥有孩子的愿望是一项基本人权。
The ethical issues surrounding IVF are complex, but the desire to have a child is a fundamental human right.
Leadership in agriculture means listening—to the land, the science, and the people who work it.
水产养殖的可持续性不是选择，而是唯一的前进道路。