The goal of mathematics is not to solve problems, but to understand them.
战略的本质是选择一个独特且有价值的位置,这个位置植根于一系列难以匹配的活动系统中。
Every decision we make today in marine fisheries will echo for generations to come.
石材的真正价值在于我们如何改造它以供人类使用。