数学不是一项观赏性运动。
"I like looking nice, but I always put comfort over fashion. I don’t find thin girls attractive; be happy and healthy. I’ve never had a problem with the way I look. I’d rather have lunch with my friends than go to a gym."
矿业的未来在于科技与可持续性。
States are inherently aggressive and expansionist because they exist in an anarchic international system where there is no higher authority to keep them in check.