文明的分布并非偶然,而是遵循与气候条件密切相关的明确规律。
You pray for rain, you gotta deal with the mud too. That's a part of it.
电影不是关于道德,而是关于真相。
The study of L-functions is not just about proving theorems but about understanding patterns.
每一棵种植的树都是治愈地球的一步,但真正的改变需要系统性行动。