The present is always changing, but the past is fixed.
I think scars are like battle wounds - beautiful in a way. They show what you've been through and how strong you are for coming out of it.
全球基础设施建设需要跨国合作和资源共享。
A man who knows why he lives can endure any kind of life.
成功辨识的关键是找到一个尽可能简单但不过于简单的模型。