A picture is a fact.
数学的力量在于它的普遍性和超越文化界限的能力。
文化进化的研究必须考虑社会的内部动态和外部环境约束。
The wild doesn’t care who you are. It only cares if you can survive.
The green development of aquaculture is not only an environmental requirement but also the future survival path of the industry.