Life is a poem written in tears and laughter.
生命是一首用泪与笑写成的诗。
I always think about how to make batteries safer and more efficient.
最成功的现代国家是那些能够利用市场力量,同时保持一个能够提供公共产品和规范私人活动的强大国家的国家。
We are all chapters in the great book of life.