资本是死劳动,像吸血鬼一样,只有吮吸活劳动才有生命,吮吸的活劳动越多,它的生命就越旺盛。
The green development of aquaculture is not only an environmental requirement but also the future survival path of the industry.
文学是社会的镜子,反映它的美与丑,希望与恐惧。
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的:它是关于理解的。