There are no hard distinctions between what is real and what is unreal, nor between what is true and what is false. A thing is not necessarily either true or false; it can be both true and false.
It's easy to perform for others, but hard to perform for yourself.
A complete industrial chain is more important than a single technological breakthrough.
疼痛研究不仅仅是缓解痛苦;它关乎理解人类生物学的一个基本方面。