可持续性不是一种趋势,而是乳制品农业的未来。
Sustainability isn't a trend—it's the future of dairy farming.
钢铁行业必须拥抱可持续性,才能在21世纪生存下去。
The beauty of the universe lies in its complexity and the simplicity of the laws that govern it.
密码学的艺术是使破解系统的成本超过受保护信息的价值。