科学方法是统一且不可分割的,科学方法既适用于物理问题,也适用于社会问题。
I've learned that making a 'living' is not the same thing as making a 'life.'
股市的波动是由人的情绪驱动的,而不是由经济基本面驱动的。
The more we learn about the universe, the more we realize how much we have yet to discover.
The ethical issues surrounding IVF are complex, but the desire to have a child is a fundamental human right.