I'm the reason your ice won't freeze.
Systems have sub-systems and sub-systems have sub- systems and so on ad infinitum - which is why we're always starting over.
Human activities have become a significant force shaping Earth's climate.
技术是工具,用户才是核心。
解释:顺应时代的潮流就会昌盛,背离时代的方向便会走向灭亡。