可持续能源解决方案将定义21世纪。
To be human is to be vulnerable.
The true challenge in mathematics is not solving problems, but asking the right questions.
修仙之路充满危险,但只有直面危险,才能获得真正的力量。
爱是世间无限的变幻;谎言、仇恨,甚至谋杀,都交织其中。
"Memory is a kind of accomplishment, a sort of renewal even."