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.
In trading, you have to be paranoid to survive.
所有科学的统一性仅在于其方法,而不在于其材料。